Find the exact value of the expression. Do not use a calculator.sin - cos

A.
B.
C. 1
D. 0

Answer: D

Mathematics

Multiply.

A. 508 B. 408 C. 368 D. 374

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Mathematics

Write as the sum and/or difference of logarithms. Express powers as factors. log10

A. log₁₀m + log₁₀n - log₁₀k
B. log₁₀m + log₁₀n - 2log₁₀k
C. log₁₀m ? log₁₀n ÷ 2log₁₀k
D. 7log₁₀m + 9log₁₀n - 2log₁₀k

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Mathematics

Simplify.8a - 5a + a - 13

A. 3a - 13 B. 4a - 13 C. 3a + a - 13 D. 3a - 12

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Mathematics

Evaluate.(-3x)4

A. 81x-4 B. -81x4 C. -3x4 D. 81x4

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Mathematics