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 70 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. 4 quarts
B. 40 quarts
C. 8 quarts
D. 400 quarts
Answer: A
Mathematics
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Use reduction formulas to evaluate the integral.
A. 
sec2 6x tan 6x + 
ln
+ C
B. 
sec 6x tan 6x + 
ln
+ C
C. 
sec 6x tan 6x + 
ln
+ C
D. 
sec 6x tan 6x - 
ln
+ C
Mathematics
Determine whether the following is a difference of squares.11x2 - y2
A. Yes B. No
Mathematics
Calculate dy/dt using the given information.x4/3 + y4/3 = 2; dx/dt = 6, x = 1, y = 1
A. 
B. - 
C. 6
D. -6
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Find a value of c that makes the function continuous at the given value of x. If it is impossible, state this.f(x) = 
; x = 0
A. 9 B. Impossible C. 3 D. -3
Mathematics