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If y = (x + 3)^{2}, then (2x  6)^{2} must equal which of the following?
(A) 4y^{2} (B) 2y^{2}
(C) 4y (D) 2y (E) 4y 

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If xy = 2 and xy ^{2} = 8, what is the value of x ?
(A) [image] (B) 2 (C) 4 (D) 8 (E) 16 

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Term
If n is an odd integer, which of the following must be an odd integer?
(A) n  1 (B) n + 1 (C) 2n (D) 3n + 1 (E) 4n + 1 

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How many different threedigit numbers between 100 and 1,000 have 5 as the tens digit? 

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 The sum of the digits is 6.
 Each digit is different.
 The number is odd.
What is the greatest 4digit number that has all of the characteristics listed above? 

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