Find the area of the rectangle or square with the given dimensions.square: side = 1.5 yd
A. A = 2.25 yd2
B. A = 6 yd2
C. A = 4.5 yd2
D. A = 3 yd2
Answer: A
Mathematics
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Solve the problem.The surface area of a cylinder whose radius is r inches and height is 9 inches is given by 
square inches. Express the surface area in factored form.
A. 2?r(r + 9) B. 2(?r2 + 18?r) C. 2?r(r + 18) D. 2?(r2 + 18?)
Mathematics
Perform the indicated operation. If possible, simplify.Multiply:
A. cos2 x - sin2 x - 1 B. cos2 x - sin x + 1 C. 2cos2 x + cos x - 1 D. 2cos2 x - cos x - 1
Mathematics
Find the distance AB across the river. (Assume ED ? DA and AB ? DA .)
Mathematics
Perform the indicated operation.x + 
A. 
B. 
C. 
D. 
Mathematics