Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.
A. 
B. 
C. 
D. 1
Answer: B
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Solve the problem.A rectangular garden has dimensions of 18 feet by 9 feet. A gravel path of equal width is to be built around the garden. How wide can the path be if there is enough gravel for 280 square feet?
A. 6.5 ft B. 4 ft C. 5 ft D. 6 ft
Answer the question.To complete the square from an equation in the form x2 - ax = b, is it ever appropriate to subtract a positive number from each side?
What will be an ideal response?
Solve the problem.A study in a small town showed that the percent of residents who have college degrees can be modeled by the function 
where x is the number of years since 2010. Use numerical or graphical methods to find when the model predicts that the percent will be 70.
A. 2019 B. 2020 C. 2018 D. 2017
Express the sum or difference as a product of sines and/or cosines.sin (6?) - sin (4?)
A. 2 sin (5?) cos ? B. -2 sin ? cos (5?) C. 2 sin ? cos (5?) D. -2 sin (5?) cos ?