Find the perimeter of the polygon.Square
A. 3.8 in.
B. 7.22 in.
C. 17.6 in.
D. 7.6 in.
Answer: D
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Solve for x.log9 x + log9 (x - 80) = 2
A. -1, 81 B. 1, -81 C. 9 D. 81
Write a fractional rate. Simplify the rate to a unit rate and write it as a phrase.While walking, Joe's heart beats 2577 times in 30 minutes. What is the unit rate in beats per minute?
A. 
; 79.9 beats per minute
B. 
; 0.012 beats per minute
C. 
; 89.3 beats per minute
D. 
; 85.9 beats per minute
Perform the requested operation on the given function.f(x) = x2 + 3x - 4, g(x) = x - 1Find 
(x).
A. 
, x ? 4
B. x + 4, x ? -1
C. x + 4, x ? 4
D. 
, x ? -1 and x ? 4
Two sides of a triangle are m and m in length and the angle between them is increasing at a rate of 0.06 rad/s. Find the rate at which the area of the triangle is increasing when the angle between the sides of fixed length is 
What will be an ideal response?