Find the square root if it is a real number, or state that the expression is not a real number.- 
A. not a real number
B. -6
C. 6
D. -18
Answer: B
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Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = -x3 - 7
A. Yes B. No
Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 749. Find a linear equation which expresses score, S, in terms of time, t. Use this equation to predict an average score for persons taking a 41-hour review course. Round your answer to the tenths place.
A. 669.5 B. 655.5 C. 659.7 D. 648.2
Solve the problem. Use 3.14 for ?. Round your answer to the nearest hundredth.Glenda wants to glue glitter over a piece of felt shaped like a parallelogram with a height of 32 in. and a base of 54 in. If the glitter costs $0.90 per ft2, how much will it cost to cover the felt?
A. $1555.2 B. $43.20 C. $10.80 D. $129.60
The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
During which week was the fewest number of tickets sold?
A. Week 2 B. Week 6 C. Week 4 D. Week 5