Find the range for the given data set.7, 8, 9, 10, 11
A. 11
B. 4
C. 9
D. 7
Answer: B
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Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 + x + 4 = 0
A. Factoring; -1, 0
B. Square root principle or factoring; 1, 0
C. Quadratic formula; 
D. Square root principle; 
Solve the problem.A national poll showed that 4 out of 7 registered voters planned to watch the presidential debate. Another national poll conducted by a different organization showed that 360 of 630 registered voters planned to watch the presidential debate. Is the number of voters who plan to watch the debate proportional to the number of voters in the poll for these two different polls?
A. No B. Yes
Use a graphing calculator to solve the given system of equations. 
A. (1, 2) B. (2, 2) C. (1, 1) D. no solution
Use the premises to give a conclusion that yields a valid argument.If you pay taxes, then you are a good citizen. People who do not pay taxes do not receive a tax bill. If it is April, then Mark receives a tax bill.
A. Mark is not a good citizen. B. Mark is a good citizen. C. Mark did not pay taxes. D. Mark did not receive a tax bill.