Factor the polynomial: - 5x3 - 10x2 - 15x

A. - 5x (-x2 - 2x - 3)

B. - 5x (x2 + 2x + 3)

C. - 5x (x2 + 2x - 15)

D. 5x (x2 + 2x - 3)

Simplify this expression 1x/18x

8x+y=300 The elevator in a trade center is moving down from a height of 300 feet. The equation above can be used to model the height of an elevator, y, above the lobby. Where x is the time in seconds.

Evaluate 15 over k when k=3

He number on the bottom of a fraction is called the

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Six hundred paving stones were examined for cracks, and 20 were found to be cracked. The same 600 stones were then examined for discoloration, and 29 were found to be discolored. A total of 562 stones were neither cracked nor discolored.