Evaluate the expression.(-4)-1

A. -4
B. -
C.
D. 4

Answer: B

Mathematics

Express the sum in sigma notation.1 - 2 + 4 - 8 + 16

A. 2^{k + 1}
B. 2^k
C.
D. 2^k

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Mathematics

Simplify. Express your answer in standard form.(n6 + 13) + (7n5 + 18n4 - 5) - (9n5 - 18n4 + 20)

A. n6 - 2n5 + 36n4 - 12 B. 22n9 C. n6 - 2n5 + 36n4 + 28 D. n6 - 2n5 + 27n4 + 28

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Mathematics

Perform the division.

A. 3x² + 2x - 1 +
B. 3x² + 2x - 1
C. 3x² + 2x - 1 +
D. x² - 1 +

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Mathematics

Use a calculator to find . ? Please round the answer to the nearest ten-thousandth. ?

A. 0.9064 B. 0.9063 C. 0.8843 D. 0.8863 E. 0.9363

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Mathematics