Solve the problem.The area of a square is numerically 4 less than the perimeter. Find the length of the side, if the side is greater than 1.
A. 2 units
B. 9 units
C. 8 units
D. 5 units
Answer: A
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Rewrite the given integral so that it fits the form 
, and identify u, du, and n.
A. 
; u = csc x, du = cot6x dx, n = 2
B. -
; u = cot x, du = - csc2 x dx, n = 6
C. 
; u = cot x, du = csc2 x dx, n = 6
D. 
; u = tan x, du = csc2x dx, n = -6
Use the Quotient Rule to simplify. All variables are nonzero.
A. 
y5
B. 
y3
C. 
y4
D. 
y
Find a natural number b that makes the expression a perfect square trinomial.36x2 + bx + 81
A. 54 B. 108 C. 2916 D. 5832
Solve the problem.A domed ceiling is a parabolic surface. For the best lighting on the floor, a light source is to be placed at the focus of the surface. If 2 m down from the top of the dome the ceiling is 24 m wide, find the best location for the light source.
A. 54 m down from the top B. 72 m down from the top C. 36 m down from the top D. 18 m down from the top