Find the exact value of the expression.cos  cos  + sin  sin 

A.
B.
C.
D. 1

Answer: B

Mathematics

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Find the LCM.12, 15

A. 60 B. 15 C. 27 D. 180

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Rewrite

using radicals.

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Divide.-2.76 ÷ 6

A. 0.46 B. 0.6 C. -0.6 D. -0.46

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Determine whether the given solution is correct. If it is not, find the solution.Is 13 the solution for -7x + 8 + 5x = -3x + 13?

A. No; x = -8 B. No; x = -13 C. Yes D. No; x = 5

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Mathematics