Determine whether the ratios are equal.  

A. Yes
B. No

Answer: A

Mathematics

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Simplify.9x - {3[4(4x - 6) - (9x + 8)] + 20}

A. -66x + 28 B. -12x - 28 C. -66x + 68 D. -12x + 76

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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.-75a2 - 95a + 50

A. (-25a + 10)(3a + 5) B. -5(5a + 2)(3a - 5) C. -5(5a - 2)(3a + 5) D. (5a - 2)(-15a - 25)

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Solve the problem.Find f(1) when f(x) = x2 + 2x + 3.

A. 2 B. 6 C. -4 D. 0

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Find the exact value under the given conditions.Given sin ? = - , with ? in quadrant IV, and tan ? = - , with ? in quadrant II. Find cos (? + ?).

A.
B. - 
C. - 
D.

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