Multiply.(4x2 + 7)(5x - 8)

A. 20x3 - 32x2 + 35x - 56
B. 20x3 - 56
C. 20x3 - 32x2 - 35x - 56
D. 20x2 + 35x - 56

Answer: A

Mathematics

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A. ?(R - 1)(R2 + 4R + 64)
B. ?(R + 4)(R2 - 4R + 16)
C. ?(R - 4)3
D. ?(R - 4)(R2 + 4R + 16)

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Determine whether the graph is the graph of a function.

A. Not a function B. Function

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For the pair of similar triangles, find the missing side n. Round to the nearest tenth when necessary.

A. n = 5 m B. n = 15 m C. n = 7 m D. n = 10 m

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Establish the identity.sec(2?)= 

What will be an ideal response?

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Mathematics