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In the figure below, triangles ABC and ABX are both right triangles. If the length of is 6 units, the length of is 10 units, and the length of is 4 units, what is the length of ?






The Correct Answer

Aleksandra began collecting model airplanes in May of 2008. The number of model airplanes that she owns in each month can be modeled by the function A(m) = 2m + 2, where m = 0 corresponds to May. Using this model, how many model airplanes would you expect Aleksandra to own in December of 2008?

(A)2 (B) 12 (C) 14 (D) 16 (E) 18

Correct Answer: D

Find the slope of the line 7x = 3y 9.

(A) 3 (B) 9 (C) 3/7 (D) 3 (E) 7/3

Correct Answer: D

The lengths of the sides of a triangle are 3 consecutive even integers. If the perimeter of the triangle is 48 inches, what is the length, in inches, of the longest side?

(A)12 (B) 14 (C) 16 (D) 18 (E) 24

Correct Answer: D

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