Solve the problem.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 75 feet and  walls requires  of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 45 feet and 10-foot walls.

A. 450 quarts
B. 4.5 quarts
C. 9 quarts
D. 45 quarts


Answer: B

Mathematics

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Graph y = f(x) and y = |f(x)| in the standard viewing rectangle. Determine the x-intercept for the graph of y = |f(x)|.y = 2x

A.

x-intercept is 0.
B.

x-intercept is 0.
C.

x-intercept is 0.
D.

x-intercept is 0.

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Solve the inequality. Give your answer using interval notation.3 +  > 4

A. No solution
B.
C.  ? 
D.  ? 

Mathematics

Sketch the region enclosed by the curves and x=2. Find the area of the region correct to two decimal places.

Select the correct answer. a. 22.67 b. 32.67 c. 20.67 d. 52.67 e. 62.67 f. 42.67

Mathematics

Fill in the blank with one of the words or phrases listed below. The  numbers are numbers less than zero.

A. negative B. addition C. positive D. equation

Mathematics