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If 2xy= 32 and 5x+ 3y= 14, then xy=

(A) 35

(B) –40

(C) 75

(D) 100

(E) –120

The Correct Answer
Explanation

The product of 2 distinct positive prime numbers is an even number, and one less than the product is a prime number. All of the following prime numbers could be one of the original prime numbers EXCEPT:

(A) 2 (B) 3 (C) 5 (D) 7 (E) 19

Correct Answer: C

Which of the following equations represents the linear relation shown in the standard (x,y) coordinate plane below?

(A) y = -5x(B) y = -6x(C) y = -2x + 2(D) y = -5x + 6(E) y = -2x + 6

Correct Answer: D

If log9n= and n > 0, what is the value of ?

(F) 3(G) (H) (J) (K)

Correct Answer: G

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