Solve the problem.Find the area of a square piece of cardboard for which the length of the side is 
A. 144 sq cm
B. 16 
sq cm
C. 12 sq cm
D. 48 sq cm
Answer: D
Mathematics
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Find the roots of the equations.
+ 
= 3
A. -3 B. 30 C. 1 D. 5
Mathematics
Express the fraction or mixed number as a percent.
A. 1
%
B. 11
%
C. 28
%
D. 114
%
Mathematics
An offshore oil well is leaking oil and creating a circular oil slick. If the radius of the slick is growing at a rate of 7 miles per hour, find the rate at which the area is increasing when the radius is 3 miles. (The area of a disc of radius r is 
.)
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify the expression by multiplying. 9(8xy)
A. -72xy B. 17xy C. 72xy D. -17xy
Mathematics