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

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Simplify the expression by multiplying. 9(8xy)

A. -72xy B. 17xy C. 72xy D. -17xy

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Express the fraction or mixed number as a percent.

A. 1%
B. 11%
C. 28%
D. 114%

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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