Solve the problem.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. A measuring device is calibrated to give  when  and  What is the volume on this device when the temperature is  and the pressure is 

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A. V = 67.2 in3 
B. V = 5.6 in3 
C. V = 47.2 in3 
D. V = 87.2 in3 

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Answer: A

Mathematics

Perform the operations indicated. Write your answer in simplest form.-175 ÷ 7

A. 25
B. -25
C. - 
D. -35

Use estimation to select the best response. Do not calculate. ? If you wish to purchase a car with a sticker price of $10,000, a reasonable offer to make to the dealer is $ __________ (9,000; 10,000; 11,000).

Fill in the blank(s) with the appropriate word(s).

Solve the equation f(x) = 0 analytically and then use the graph of y = f(x) to solve the inequalities f(x) < 0 and f(x) = (3)3x - 27x - 3

A. ?; ?; (-?, ?) B. ?; (-?, ?); ? C. {3}; [3, ?); (-?, 3) D. {3}; (-?, 3); [3, ?)

Solve the equation by factoring.x2 - 5x + 4 = 0

A. {1, 4} B. {-1, -4} C. {-1, 4} D. {1, -4}