Evaluate the expression without a calculator.20 + (-9)0

A. 1
B. -7
C. 2
D. 0

Answer: C

Mathematics

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A.

B.

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D.

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A. x5 - 9x4 + 27x3 - 27x2 B. x5 - 3x4 + 15x3 - 27x2 C. x5 - 9x4 + 15x3 - 27x2 D. x5 - 9x4 + 9x3 - 27x2

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Simplify by finding the absolute value.?-24?

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