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For real numbers x and y, when is the equation |2x + 3y| = |2x - 3y| true?

(A)Never

(B) Always

(C) Only when 2x = 3y

(D) Only when x = 0 and y = 0

(E) Only when x = 0 or y = 0

Sebastian bought a meal at a restaurant and left a 15% tip. With the tip, he paid exactly $35.19. How much did the meal cost without the tip?

(A) $28.98(B) $29.91(C) $30.15(D) $30.60(E) $30.85

Correct Answer: D

Each side of a given cube is a square with an area of 729 square inches. What is the volume of the cube in cubic inches?

（A）3³ （B） 3⁹ （C） 3¹² （D） 3¹⁸ （E） 3⁶⁴

Correct Answer: B

If 7x+ 4y= 18 and 3x+ y= –3, what is the value of x+ y?

(F) 9(G) 11(H) 12(J) 14(K) 15

Correct Answer: F