Find the area of a sector with the given central angle ? in a circle of radius r.? = 
, r = 12 cm
A. 36? sq cm
B. 72? sq cm
C. 6? sq cm
D. 3? sq cm
Answer: A
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Solve the problem.Suppose that an open box is to be made from a square sheet of cardboard by cutting out 
squares from each corner as shown and then folding along the dotted lines. If the box is to have a volume of 108 cubic inches, find the original dimensions of the sheet of cardboard. 
A. 
in. by 3
in.
B. 6
in. by 6
in.
C. 12 in. by 12 in.
D. 6 in. by 6 in.
Use the change-of-base rule (with either common or natural logarithms) to find the given logarithm. Approximate to three decimal places.log30.452
A. -0.345 B. -0.723 C. 6.637 D. -1.384
Round each number to its highest place value to estimate the product or quotient.4073 ÷ 53
A. 60 B. 100 C. 40 D. 80
Use the formula for the perimeter of a rectangle, P = 2l + 2w.The perimeter of a rectangle is 32 centimeters. If the width is 7 centimeters, find the length.
A. 18 centimeters B. 8 centimeters C. 10 centimeters D. 9 centimeters