Square Questions
Asking these questions should take no more than 5-10 minutes and the answers should influence your choice of contractor. For example, the area of a triangle is the height multiplied by the base and divided by two; the area of a circle is the radius squared multiplied by pi. The Chi-Square Test An important question to answer in any genetic experiment is how can we decide if our data fits any of the Mendelian ratios we have discussed. There are four grain phenotypes in the ear. The quadratic equation only contains powers of x that are non-negative integers, and therefore it is a polynomial equation. In the last two problems, look for a greatest common factor to remove first. Numbers without a partner remain under the square root. We now have something that looks like (x + p) 2 = q, which can be solved rather easily: Step 4 Take the square root on both sides of the equation. Square roots are often found in math and science problems, and any student needs to pick up the basics of square roots to tackle these questions. Those with an X are incorrect and will have the correct answer shown. Interview candidates say the interview experience difficulty for Square is average. punnetsquares. I tried so much to found a reference talking about this square gears, but unfortunately no avail. The Chi-Square Test for Normality allows us to check whether or not a model or theory follows an approximately normal distribution. Re: Can I use 2 square readers with the same bank account? I've got a question about my current account and reader. Here is a question for you, make 3 x 3 Magic Square of sum 129, where the common difference is 4. What is Square Cash? Introduced by Square, Inc. square enix eu store support; order questions order questions. On Monday, Mr. Both use the chi-square statistic and distribution for different purposes: A chi-square goodness of fit test determines if a sample data matches a population. The country radio format is updated. This is the aptitude questions and answers section on "Square Root and Cube Root Important Formulas" with explanation for various interview, competitive examination and entrance test. Now we will discuss some basic ideas of Square and Square Root. This allows you to sign in to the same account on multiple devices and use multiple readers simultaneously. What's happening when you're using the square brackets is that you're defining character classes. Learn how Square Employee Management can help make managing your employees easier. Pay employees and offer benefits with Square Payroll, or even get access to business loans to grow your business through Square Capital. Calculate a square root in python with import math and then x = math. Contact TDA for Information about Food Service Management Contracts and Cooperative Contracts Contracting entities with questions about purchasing through Food Service Management Contracts or Cooperative Contracts, can call or email TDA. com), known for its Square Register and card reader app, has over 2,300 negative user reviews posted beneath this article. Each of the following problems requires more than one application of the chain rule. On a side note, let me emphasize that "evaluating" an expression (to find its one value) and "solving" an equation (to find its one or more, or no, solutions) are two very different things. Louis filed suit against the company and its co-founders, Jack Dorsey (of Twitter fame) and James McKelvey Jr. Here are some important facts about squares and square roots: A square of a number is the result of multiplying that number by itself. The official source for Square Enix Merchandise news in North America! Questions about an order placed on our site?. Amazon backs out of massive Seattle office tower as questions swirl about growth plans Rainier Square was at the center of a heated tax battle between Amazon and Seattle last year that became. Enter a number below. Square root 120 , n , Square root 3. Also, the answer key and explanations are given for the same. To fold a pocket square in an easy straight fold, lay the pocket square flat on a solid surface and fold it in half vertically. Area of a Square or a Rectangle Online Quiz - Following quiz provides Multiple Choice Questions (MCQs) related to Area of a Square or a Rectangle. You must use statistics to support your answers. I know this sounds confusing, so take a look. A worksheet on Square Numbers. How Square Works Frequently Asked Questions (FAQs) Square is straightforward to setup and use. Choose 10 numbers from the square and subtract them from 100. Place all of the questions in a pile for the teacher or moderator to deliver. Get Started With Square Card. “Gross square footage” includes all interior and exterior space used to serve customers, including kitchen space, bathroom and storage space, but excludes the parking lot (unless used for something other than. Let's get started. Here are 18 best questions to ask a guy to get to know him: 87. 3*3 - 9 total number of squares of 2X2 dimension. Thule also offers the 4802 Traverse Half Foot Pack for those needing only a single load support on a truck cab. You can bookmark this page if you like - you will not be able to set bookmarks once you have started the quiz. For example, the area of a triangle is the height multiplied by the base and divided by two; the area of a circle is the radius squared multiplied by pi. ANDIS Outliner II Trimmer - With Square Blade Features • Magnetic motor trimmer-the professional standard for all -around outlining, dry shaving and fading. Example 1 – Solve: Step 1 : Isolate one of the two square roots. Square can help you manage your cash flow and make important spending decisions. The group dances to music while moving in formations called out by a "caller". A chi-square test is used to examine the association between two categorical variables. That is, the definition of the square root says that the square root will spit out only the positive root. Support for Cash App is available at cash. Study themes of family, patriotism, fear, kindness, survival, and change with this teacher's guide to Angel on the Square and The Impossible Journey by Gloria Whelan. Square-root Questions and Answers - Math Discussion. Each side of a square is increasing at a rate of 6 units per second at what rate is the area of the square increasing when the area o the square is Stack Exchange Network Stack Exchange network consists of 175 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge. It can be used to test both extent of dependence and extent of independence between Variables. What is the difference between the slope in grid square 2115 and the one in 1811? Give a reason for your answer. A trimagic square is a magic square that remains a magic square when all the numbers in the cells are squared and cubed. (i) 64 (ii) 144 (iii) 4489 (iv) 27225 (v) 390625. Square Numbers To square a number, we multiply it by itself. Three part lesson with both grade G and grade F questions. Extensions Questions Our expert builders have kindly agreed to share their wisdom on such topics as planning permission, sound proofing, foundations and footings, materials, 2 storey extensions, patio doors, listed building restrictions and regulations and much more. In this case we would have. t Z cAplpld cr3i rg lhxt Hs6 wrheps ae Nrhv Yetd n. Coin Questions [back to top] Authentication. In precisely the same way, the geometry Data Sufficiency questions on the GMAT attempt to catch the test-takers in a similar gullibility. PEARSON’S. Described below are two cases that ask you to draw upon the tools of the chi-square lesson in answering a set of questions. Newton's Inverse Square Law. By the end of your studying, you should know: How to set up and solve related rates word problems. Start studying PUNNETT SQUARE PRACTICE QUESTIONS. After this has been done, discuss the questions one-by--one with the total group. org are unblocked. What is the length of the side of the square?. Our online square trivia quizzes can be adapted to suit your requirements for taking some of the top square quizzes. In 1915 when the work was first displayed the surface of the square was pristine and pure; now the black paint has cracked revealing the white ground like mortar in crazy paving. I tried so much to found a reference talking about this square gears, but unfortunately no avail. Fair on the Square Half Marathon, Danville, Indiana. Completing The Square: A “complete” square is a quadratic expression such as which can be factored as the square of a term. You are allowed to answer only once per question. Completing the Square - Practice Problems Move your mouse over the "Answer" to reveal the answer or click on the "Complete Solution" link to reveal all of the steps required to solve a quadratic by completing the square. Similar Questions. skillsconverged. Community Forum. Bracket pools, office sports pools, and fantasy sports have never been authorized as gambling activities in Washington State and are illegal. In particular, it is a second-degree polynomial equation, since the greatest power is two. Matrix questions, Array interviews questions, matrix programming question. This website and its content is subject to our Terms and Conditions. Click to know the formula for chi-square along with solved example questions for better understanding. When you find the square root of a number, you discover a new number which, when multiplied by itself, equals the number you started with. We use a Punnett square to visualize the possible outcomes. Free online math exercise, online math practice, math homework, math e-workbooks, math dictionary, math worksheets, math video tutorials, math printable worksheets for kindergarten, elementary, middle school and high school from basic math to algebra, geometry and much more. SEE MORE : 6. Leaving out a small triangle gives us a total area of 15/2. The second one works. square is an integrated suicide prevention resource developed by General Practice SA and Relationships Australia SA in conjunction with the Federal and State Governments. Most eukaryotic organisms are diploid, meaning that each cell contains two copies of every chromosome, so. Learn about the interview process, employee benefits, company culture and more on Indeed. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Get driving directions, a live traffic map, and road alerts. Who is the Tankman and what did he do? 3. Chi-Square Test Note: Chi Sounds like "Hi" but with a K , so say Chi-Square like " Ki square" And Chi is the greek letter Χ , so we can also write it Χ 2. to 10:30 a. Also, feel free to ask any questions on math shortcut tricks. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Solve all problems using a chi square analysis. : General Questions. Match up pairs of the same number. A Punnett square is a graphical representation of the possible genotypes of an offspring arising from a particular cross or breeding event. Free Psychometric Test Questions (With questions and answers) JobTestPrep invites you to a free practice session that represents only some of the materials offered in our online practice packs. For instance, if you draw a square and then draw a circle inside the square so that the circle touches all four sides of the square, you can determine the total area outside the circle within the square. Students may see that this magic square has been produced by adding z to the expression in each cell in the algebraic magic square in Task 7. 00 m from the lens, what is the intensity of the flashlight 100. A magic square is an arrangement of numbers in a square in such a way that the sum of each row, column, and diagonal is one constant number, the so-called "magic constant. Basic Concepts: In verbal reasoning questions seating arrangement is one of the important topics to be learnt. These questions asked in IBPS, SSC and other banking exams. Math Web form, or browse the extensive archive of previous questions and answers. Notes about squares: A square is most often characterized by S, the length of a side. 1 Answer Wataru Related questions. Questions over Times Square characters A person dressed as the character Puss in Boots uses a cell phone to take a photograph of tourists with other characters in New York's Times Square July 28, 2014. Students should prepare for exams by practicing Square roots questions and cube root questions with answers. Square root and Cube root questions have been asked in many competitive exams and there are strong chances to ask square root and cube root aptitude questions again in SSC, Bank and other competitive exams. SOLUTION 12 : Differentiate. How many sides does a quadrilateral have? 1. Find Jobs Company Reviews Find Salaries Find Resumes Employers / Post Job. A statistical test that can test out ratios is the Chi-Square or Goodness of Fit test. FAQs - FREQUENTLY ASKED QUESTIONS. Jump to navigation Jump to search. Mount Sinai-Union Square is an integral part of the Mount Sinai Health System, a trusted health care provider of New Yorkers for generations, and our doctors are on the faculty of the renowned Icahn School of Medicine at Mount Sinai. Cents and Square Yards are basic metric units of measurement of land area. Use addition and subtraction to move the constant term to the right and all other terms to the left. And your number ends in 6; of the numbers between 1 and 10 only 4 and 6 have squares ending in 6, so test 204 and 206. Each genotype shown in the Punnett Square has a 25% chance of occuring. SQUARE up to 50. Who is the Tankman and what did he do? 3. These NCERT Solutions for Class 8 of Maths subject includes detailed answers of all the questions in Chapter 6 – Squares and Square Roots provided in NCERT Book which is prescribed for class 8 in schools. • The objectives are for children to learn to recognise numbers, understand numbers and find different ways of working with numbers to improve their understanding. Introduction to Square Roots. The official source for Square Enix Merchandise news in North America! Questions about an order placed on our site?. Traditional ratios such as P/E or P/B shouldn't be applied to Square since it is still in high. We find that most Rack Solutions customers typically have a 4-post square hole rack. How to Solve a Magic Square. It is the challenge of constructing a square with the same area as a given circle by using only a finite number of steps with compass and straightedge. The square of a binomial is the sum of: the square of the first terms, twice the product of the two terms, and the square of the last term. Those with an X are incorrect and will have the correct answer shown. Walk to over 40 theatres, Madison Square Garden, Hudson Yards and dozens of famed attractions, or enjoy speedy access to all of the city with most subway. Spookley the Square Pumpkin is a square pumpkin who lives in a round pumpkin patch world. Gametes from Parent 1 List the gametes for Parent 1 along one edge of the punnett square. Square numbers are also known as perfect square numbers. Knit-a-square has distributed over 84,000 blankets since 2008 to warm and comfort the cold, orphaned or vulnerable children of South Africa. Square Roots Introduction to Square Roots Simplifying Square Roots Adding Square Roots Dividing with Square Roots Introduction to Cube Roots Multiplying Square Roots with Exponents Multiplying Square Roots Square Roots List Quizzes: Square Roots Practice Square Roots Worksheets: Adding Square Roots Worksheets Multiplying Square Roots Worksheets. +44 (0)1737 363 476. SQUARE up to 50. Questions About Medicare The best choice is without question to accomplish thorough homework to discover which in turn carrier best suits the personal necessities so that you is going to be better completely satisfied with your quality of life coverage. About the children. Asking these questions should take no more than 5-10 minutes and the answers should influence your choice of contractor. Square Shapes Activity for Toddlers and Preschoolers - Moms Have Questions Too More information Find this Pin and more on preschool ideas by Julianne Garneau. Options include the radicand range, limiting the square roots to perfect squares only, font size, workspace, PDF or html formats, and more. In general, the chi-square test statistic is of the form If the computed test statistic is large, then the observed and expected values are not close and the model is a poor fit to the data. Download the GPS traffic app, powered by community. Menu Skip to content. What does this test contain? 1. U Worksheet by Kuta Software LLC. Programming. The length of a side would have to be sqrt(30)/2. This allows you to sign in to the same account on multiple devices and use multiple readers simultaneously. But purposefully bonkers. A Punnett square is a graphical representation of the possible genotypes of an offspring arising from a particular cross or breeding event. Most High School tests as well as Nursing Entrance tests, and Armed Services tests include either fractions and square root practice questions, or both. Inverse Square Law, Gravity. 53% of the interview applicants applied online. Questions on Square and Square Roots. Your math square can be as small as 3 x 3 or as large as 10 x 10. SOLUTION 12 : Differentiate. Splash Math is an award winning math learning program used by more than 30 Million kids for fun math practice. Math Web form, or browse the extensive archive of previous questions and answers. The null hypothesis H 0 assumes that there is no association between the variables (in other words, one variable does not vary according to the other variable), while the alternative hypothesis H a claims that some association does exist. One obvious option is farming. We are done, once we solve the two equations for x. Question 1. Find the perfect square numbers between 40 and 50. Check your answers seem right. Petersburg, and Shanghai to Dubai, One Square Meter explores leading architectural designs, city plans and demand for property, both residential and. top and a 1ft side at the left in the. It is the challenge of constructing a square with the same area as a given circle by using only a finite number of steps with compass and straightedge. Between each row and column are the operations (addition, subtraction, multiplication and division) which define the equations in the columns and rows. Radio Buttons: Radio buttons indicate that respondents can only select one answer from the list of choices. For an explanation of significance testing in general, s. Questions on Square and Square Roots. For all Forensic Program Users. 4 SquareQuestions. The above holds only for x greater than or equal to 0. Learn About Square's Fees. 38 degrees. Knowing all these numbers you could now calculate the quantity known as chi-square:. The 4602 Podium Half Foot Pack available to add a third load support bar on a track system. Thank you for your interest in Ask Dr. The entire NCERT textbook questions have been solved by best teachers for you. The question is: do I enter the 4 first and then hit the sqrt key (think to yourself: I have the number 4, and now I want to take its square root), or do you hit the sqrt key first and then the number 4 (think: I want to take the square root of something, and in this case, 4)?. Are you ready? Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Our online square trivia quizzes can be adapted to suit your requirements for taking some of the top square quizzes. On-screen applet instructions: The slider controls the position of the runner. Magic squares have grown in popularity with the advent of mathematics-based games like Sudoku. Some recently asked Square interview questions were, "Interviewers were clearly green, unaccomplished, and had unrealistic expectations for market intelligence for a person that does not have access to internal data. These numbers cannot be simplified further. Check your answers seem right. Completing the Square Worksheet (pdf) with Answer Key. Your math square can be as small as 3 x 3 or as large as 10 x 10. Always show your workings. 3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? a. The dimensions must equal. dimpled cheeks is dominant to undimpled cheeks, if there exists a 50% chance that a child will have dimpled cheeks, the parental genotypes must be?. Read the questions to the group and ask participants to jot down their responses as you go. Study themes of family, patriotism, fear, kindness, survival, and change with this teacher's guide to Angel on the Square and The Impossible Journey by Gloria Whelan. When it comes to mathematics, some people have a hard time finding the squares and cube roots for some numbers. The overall. Get Started With Square Card. You tap in the amount of the purchase; it could be $1 for a yo-yo, $25 for a box of old records or $12,000 for a used car. In precisely the same way, the geometry Data Sufficiency questions on the GMAT attempt to catch the test-takers in a similar gullibility. It is an important topic which also helps in preparing for Board exams for class 10(CBSE). Census Bureau released the remaining profiles and tables for the 2018 American Community Survey (ACS) 1-year estimates. The Chi-Square Test An important question to answer in any genetic experiment is how can we decide if our data fits any of the Mendelian ratios we have discussed. It is a useful way of for checking normality when one has only a small number of data points. Resetting your password is the first step towards regaining access to your account. Video workshops to help you get started or finished. Name two quadrilaterals in which all the sides have an 4. Perfect Square Trinomial Calculator Enter the perfect square trinomial and select factor Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations. active oldest votes. Practice on our new skills with the square root Rags to Riches: Answer questions in a quest for fame and fortune. Our online square trivia quizzes can be adapted to suit your requirements for taking some of the top square quizzes. Questions and answers posted by the Apple Store community for the product "Square Stand for iPad". What is the square root of #2i#? Precalculus Complex Numbers in Trigonometric Form Roots of Complex Numbers. Square numbers can be divided into 2 consecutive triangular numbers in this way. Setting up a Punnett square 1. After each round, the player in the top square must call the rules again or it is assumed that there are no special rules required. Question Page on the topic of completing the square. dimpled cheeks is dominant to undimpled cheeks, if there exists a 50% chance that a child will have dimpled cheeks, the parental genotypes must be?. The problem set also shows the chi square analysis is not limited to genetic studies and can be used any time you need to determine if there is a statistical difference between two groups. SD266B 2 Phase bipolar Intelligent stepper driver is designed for stepper motor series 20-85 frame size. Memorize the most you can. This is the only type of sports betting allowed in Washington State. Some recently asked Square interview questions were, "Credit and Fraud Risk related. Recognize and Report Phishing Scams. EXPRESS the area of the card that is left a a percentage of the area of the larger rectangle. The Punnett square is a classic genetics diagram used to look at hereditary traits as they pass down from parent to offspring. A model states that A, B and C occur in the ratio 1:2:1. Of course she or he also needs the hard skills to do the job — but asking “softer” questions like these is just as important. Each week we carve out time after the worship service for people to ask questions. A rectangle can be thought about in other ways: A square is a special case of a rectangle where all four sides are the same length. SAS uses PROC FREQ along with the option chisq to determine the result of Chi-Square test. A lot of them were about the valuation of the stock. Pershing Square recognizes that there may be confidential or otherwise non-public information in the possession of ADP or others that could lead ADP or others to disagree with Pershing Square’s. B A Q 1 C D Q 1 Here is the answer! 4 Square Questions Divide the white area in square A into two equal pieces. Square-root Questions and Answers - Math Discussion. Marietta Square Market offers fast, casual style dining options with a central bar and open seating. 1 cent is equal to 48. The goal is to force a perfect square trinomial on one side and then solving for #x# by taking the square root of both sides. Searching for text with square brackets. Ticket Office may close earlier or later, or be closed altogether, depending on performance schedule. To complete the square when a is greater than 1 or less than 1 but not equal to 0, factor out the value of a from all other terms. Math 154B Name_____ Completing the Square Worksheet To solve ax2 + bx + c = 0 by "completing the square": 1) Put the variable terms are on the left of the equal sign, in standard form, and the constant term is on the right. Square root calculator and perfect square calculator. Please call or email us with your serial number of ideally both controller and temperature stage. Just beyond the rolling hills of the Altamont Pass, and near to Tracy, in the vibrant Mountain House master plan, is beautiful Briar Square. The warmest ball drops recorded, occurring in 1965 and 1972. Chi Square Test - Sampling Methods [part1] - Duration: 8:38. Our online square trivia quizzes can be adapted to suit your requirements for taking some of the top square quizzes. For all Users. In the example using a 4×4 magic square, the left square is the original square, while the right square is the new square obtained by this transformation. Find answers to frequently asked questions about Yagan Square. Find your bookmarks by selecting your profile name. B A Q 1 C D Q 1 Here is the answer! 4 Square Questions Divide the white area in square A into two equal pieces. Usually, there are several tests the coin must pass. Blank Square Root Chart: Basic worksheets contain square root for the perfect squares in three. In this particular cross, half of the gametes will have the dominant (S) allele, and half will have the recessive (s) allele. Some recently asked Square interview questions were, "Credit and Fraud Risk related. Closed-ended question types will either have circular radio buttons or square checkbox buttons, depending on the question settings. The Chi Square distribution is the distribution of the sum of squared standard normal deviates. It is true because all the 3x3 magic squares are related by symmetry. On this page, you'll find an unlimited supply of printable worksheets for square roots, including worksheets for square roots only (grade 7) or worksheets with square roots and other operations (grades 8-10). Then, state the resultant truth value. Contact TDA for Information about Food Service Management Contracts and Cooperative Contracts Contracting entities with questions about purchasing through Food Service Management Contracts or Cooperative Contracts, can call or email TDA. Test statistic and P-value in chi-square tests with two-tables Get 3 of 4 questions to level up! Practice Making conclusions in chi-square tests for two-way tables Get 3 of 4 questions to level up!. You can now earn points by answering the unanswered questions listed. Lesson Plan | Square Numbers Objective. edu Read the disclaimer concerning this page. Further questions to consider, 1. Question from Lori, a student: A circle is inscribed in a square. Account Questions Why can't I sign in to my account? There are a number of reasons why you may not be able to sign in. Chi-square analysis with multiple answers? One way is to ask nine yes/no questions about each concept of environmental education. Your quiz grade will be displayed. Questions About Medicare. If you need the area of the ceiling, and the ceiling is flat and parallel to to the floor, then simplify your life by just computing the floor measurements -- they are the same. Thule Square Bars are available in both singles and sets of two. Watch this Square Root Questions Solving Trick. "I made the square numbers out of cubes and tried taking a prime number of cubes away and seeing if it left a prime number of cubes. Getting Started. Our brain is a wonderful machine but it is not perfect. 1 Answer Wataru Related questions. Then, press the 'Grade My Quiz' button. This is the aptitude questions and answers section on "Square Root and Cube Root Important Formulas" with explanation for various interview, competitive examination and entrance test. Each genotype shown in the Punnett Square has a 25% chance of occuring. Sign in to review recent transactions, common questions, or email Cash Support. Domains, eCommerce, hosting, galleries, analytics, and 24/7 support all included. About the children. Total number of squares that can be formed by this is 4*4 - 16 total number of small squares. Practice on our new skills with the square root Rags to Riches: Answer questions in a quest for fame and fortune. (ii) 4r in grid square 1612. Find your bookmarks by selecting your profile name. The Square Device charges a fee of 2. Now users can pay a 1% fee for an instant (same-day) withdraw, or wait until the next day for a free transfer. Free math problem solver answers your algebra homework questions with step-by-step explanations. Square And Square Root Calculator. For example, 9 is a square number, since it can be written as 3 × 3. Completing the Square This item is taken from IGCSE Mathematics (0580) Paper 41 of October/November 2014. Biology Punnett Square question HELP!!! ? so this is one of the few questions I have. In addition, Kupferger said there are too many questions surrounding Square’s outlook for 2020 and beyond. "The Square" is, in many ways, the perfect document of Egypt's revolutionaries and their path from 2011 to today. Village Square Cooperative. I found a cool trick in the LaTeX wikibook which allows the square root sign to be altered such that it "closes" over its contents. The following two sections cover the most common statistical tests that make use of the Chi Square. Leaving out the square, the medium triangle, or the parallelogram gives us a total area of 7 and we have the same problem. Square Questions and Answers - Math Discussion. So, if all sides are equal, we have a rhombus. You can bookmark this page if you like - you will not be able to set bookmarks once you have started the quiz. Get here NCERT Solutions for Class 8 Maths Chapter 6. Test statistic and P-value in chi-square tests with two-tables Get 3 of 4 questions to level up! Practice Making conclusions in chi-square tests for two-way tables Get 3 of 4 questions to level up!. Solve by completing the square: 3x 2 - 12x - 7 = 0 2 - 12x - 7 = 0. Magic squares have grown in popularity with the advent of mathematics-based games like Sudoku. Once you have one, you can get all the others by. It can be used to test both extent of dependence and extent of independence between Variables. What's happening when you're using the square brackets is that you're defining character classes. You are allowed to answer only once per question. Here is a question for you, make 3 x 3 Magic Square of sum 129, where the common difference is 4.