Solve.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 65 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 40 feet and 10-foot walls.
A. 400 quarts
B. 4 quarts
C. 40 quarts
D. 8 quarts
Answer: B
Mathematics
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Solve the problem.The formula for the up-and-down motion of a weight on a spring is given byS = a sin 
twhere a is the radius of the circle, k is the spring constant, m is the mass, and t is the time. Solve the equation for t.
A. t = 
sin 
B. t = 
arcsin 
C. t = 
arcsin 
D. t = 
sin 
Mathematics
Find the composition.f(x) = 8x - 4; g(x) = 8x2 + 4x + 4Find (g ? f)(-9).
A. 4924 B. -908 C. -836 D. 45,908
Mathematics
Find the prime factorization of the composite number.126
A. 22 ? 32 ? 7 B. 14 ? 32 C. 2 ? 32 ? 7 D. 2 ? 3 ? 7
Mathematics
Provide an appropriate response.Without graphing, explain the differences between the graphs of 
y = (x - 2)2, and y = (x + 2)2.
What will be an ideal response?
Mathematics