Solve the problem.The volume V of a gas varies inversely as the pressure P on it. The volume of a gas is 
under a pressure of 
Find an equation of variation.
A. V = 5600P
B. V = 
C. V = 
D. V = 
Answer: C
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Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.3(8 - 5y)
A. 11 - 8y B. 24 - 5y C. 24 - 15y D. 39y
Solve the problem.A group of 9 friends are going to a concert. Tickets cost $14 each and they pay an additional $7 per person to upgrade their tickets to the front row. What is the total cost for all of their tickets?
A. $63 B. $882 C. $189 D. $199
Solve the problem.A circular swimming pool, 20 feet in diameter, is enclosed by a circular deck that is 6 feet wide. What is the area of the deck? Use ? = 3.1416.
A. 1206.4 ft2 B. 772.8 ft2 C. 490.1 ft2 D. 314.2 ft2
Solve the problem.Suppose that the function y = f(x) is decreasing on the interval (9, 7). What can be said about the graph of 
A. decreasing on (-9, -7) B. decreasing on (9, 7) C. increasing on (-9, -7) D. increasing on (9, 7)