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Two whole numbers have a greatest common factor of 8 and a least common multiple of 48. Which of the following pairs of whole numbers will satisfy the given conditions?

(A)4 and 9

(B) 5 and 10

(C) 10 and 16

(D) 14 and 20

(E) 16 and 24

The Correct Answer

RST is a right triangle with side lengths of r, s, and t, as shown below. What is the value of cos2 S + cos2 R?

(F) 1 (G) (H) (J) (K)

Correct Answer: F

A rectangular piece of cloth has a length of 6 feet and a width of 1.5 feet. Brad estimates that the area is 12 square feet. His estimate is approximately what percent greater than the actual area?

(F) 75% (G) 66% (H) 33% (J) 25% (K) 17%

Correct Answer: H

If |6-2x| > 9, which of the following is a possible value of x?

(A)-2 (B) -1 (C) 0 (D) 4 (E) 7

Correct Answer: A

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