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In XYZ, shown below, = 30. Which of the following represents the length of ?

(Note: For a triangle with sides of lengths x, y, and z, and respective opposite angles measuring X, Y, and Z, it will be true that: , according to the law of sines.)

(A)

(B)

(C)

(D)

(E)

The Correct Answer

In the figure below, ABCD is a rectangle, AB = AE, and E, F, G, and H lie on AD. Of the angles BEA, BFA, BGA, BHA, and ∠BDA, which one has the greatest tangent?

(F) ∠BEA (G) ∠BFA (H) ∠BGA (J) ∠BHA (K) ∠BDA

Correct Answer: F

What is the sum of the two values of x that satisfy the equation 4x2 – 3x – 1 = 0?

(A) 0.75(B) 1.25(C) 2.5(D) –0.75(E) –1.25

Correct Answer: A

As shown in the figure below, a compass has marks for every 10° and "North" and "South" are the endpoints of a line segment. If the point of the needle of this compass travels 42 mm as it moves in a clockwise direction from "East" to "North," how long is the needle to the nearest tenth of a millimeter?

(A) 6.7 (B) 8.9 (C) 13.4 (D) 14 (E) 17.8

Correct Answer: B

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