Write the prime factorization of the number.231

A. 32 × 11
B. 72 × 3
C. 3 × 7 × 11
D. 21 × 11

Answer: C

Mathematics

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Solve the equation by completing the square.9x2 + 18x + 5 = 0

A. - , - 
B. - , - 
C. - , 
D. , 

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Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = (9x - 14)9

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Translate the sentence into an equation, then solve.The difference between w and 9.2 yields 2.3.

A. 9.2 - w = 2.3, w = 11.5 B. 9.2 - w = 2.3, w = -6.9 C. w - 9.2 = 2.3, w = -6.9 D. w - 9.2 = 2.3, w = 11.5

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