Solve.Use the formula s = v - 32t to find the speed (s) of a free-falling skydiver at t = 2 seconds if her initial downward velocity (v) is -7 feet per second.

A. -71 ft/sec
B. 226 ft/sec
C. -64 ft/sec
D. -57 ft/sec


Answer: A

Mathematics

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A.
B.
C. 48y(y + 9)
D.

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Write the equation for the shape described.The circle with endpoints of a diameter at (2, 9) and (6, 1)

A. (x - 4)2 + y2 = 16 B. (x - 5)2 + (y - 4)2 = 20 C. x2 + (y - 5)2 = 4 D. (x - 4)2 + (y - 5)2 = 20

Mathematics

Solve the equation.2(6w + 8) = 4(2w + 12)

A. {8} B. {-4} C. {4} D. {16}

Mathematics

y? ? 4xy = 8x 6

Solve the differential equation.

Mathematics