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Rectangle PQRS lies in the standard (x, y) coordinate plane so that its sides are not parallel to the axes. What is the product of the slopes of all four sides of rectangle PQRS?


(B) -1

(C) 0

(D) 1

(E) 2

The Correct Answer

In Sulema's geography class, all tests count equally. So far, Sulema has taken 2 of the 3 tests in geography this marking period and earned scores of 88% and 79%, respectively. What is the minimum score Sulema needs on the third test to have a test average of 87%?

(A)99% (B) 94% (C) 91% (D) 87% (E) 84%

Correct Answer: B

Which of the following inequalities is equivalent to 3 - 4 (x + 7) < 19?

(A)x > image (B) x < image (C) x < -11 (D) x > -11 (E) x < 11

Correct Answer: D

In parallelogram ABCD shown below, AB is 7 inches long. If the parallelogram's perimeter is 46 inches, how many inches long is AD?

(A) (B) 16 (C) 28 (D) 39 (E) 49

Correct Answer: B

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