Complete the factoring.32x2 - 20xy - 63y2 = (8x + 9y)( )

A. 4x + 7y
B. x - 63xy
C. 4x - 7y
D. 7x - 4y


Answer: C

Mathematics

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A. 78,750y4 B. 393,750y4 C. 126y4 D. 3125y4

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Solve the problem.An object is launched vertically in the air at 40 feet per second from a platform 50 feet above the ground. The height of the object above the ground (in feet) t seconds after launch is given by  How long does it take the object to reach its maximum height? What is the object's maximum height?

A. 2.5 sec; 75 ft B. 1.25 sec; 50 ft C. 2.5 sec; 50 ft D. 1.25 sec; 75 ft

Mathematics

Find the median. Round to the nearest tenth when necessary.12, 18, 30, 49, 64, 68, 77

A. Median = 30 B. Median = 45.9 C. Median = 64 D. Median = 49

Mathematics

Solve the equation.?7m + 6? = 8

A.
B. ?
C.
D.

Mathematics