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The Abrams put a cement walkway around their rectangular pool. The pool’s dimensions are 12 ft. by 24 ft., and the width of the walkway is 5 ft. in all places. The area of the walkway is

(A)205 sq. ft.

(B)288 sq. ft.

(C)460 sq. ft.

(D)493 sq. ft.

(E)748 sq. ft.

The Correct Answer
Explanation

When calculating a certain tax, Simone found that no tax is due for all income up to pdollars, with p > 0. Income greater than pdollars is taxed at a rate of 15%. Which of the following graphs accurately represents this tax?

(A) (B) (C) (D) (E)

Correct Answer: B

The circle below has an area of 64π cm2. A central angle with measure 24° intercepts minor arc . What is the length of minor arc , in centimeters?

(F) π (G) π (H) (J) π (K) 192π

Correct Answer: H

Darcy used a 12-m piece of rope to tie her dog to a tree while she mowed her front yard. The dog could only walk in a semicircle because the tree was located directly next to the house (see diagram below). Assuming 3.14 for π, how much area, in square meters, could the dog cover? img

(A)57 (B) 75 (C) 113 (D) 226 (E) 452

Correct Answer: D

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