Simplify the expression.-5(10r + 4) + 7(3r + 8)

A. -70r
B. 5r - 1
C. -29r + 4
D. -29r + 36


Answer: D

Mathematics

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Solve.The height of a golf ball in feet after t seconds is given by 128t - 16t2. Factor this expression.

A. 16t2(8 - t) B. 16t(8 - t) C. 16(8t - t2) D. 4t(32 - 4t)

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What will be an ideal response?

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Mathematics