Solve the problem.A foul tip of a baseball is hit straight upward from a height of 4 feet with an initial velocity of  per second. The function  describes the ball's height above the ground, s(t), in feet, t seconds after it was hit. The ball reaches its maximum height above the ground when the instantaneous velocity reaches zero. After how many seconds does the ball reach its maximum height?

A.  seconds
B. 48 seconds
C.  seconds
D. 3 seconds


Answer: A

Mathematics

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Solve the problem.Find the Hill-Huntington cutoff point for rounding up a modified quota of 5.353.

A. 5.477 B. 5.526 C. 5.368 D. 5.553

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Calculate the Huntington-Hill number.State A: population 10,200, 12 representatives  

A. 666,983.077 B. 666,933.077 C. 667,023.077 D. 666,923.077

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Solve for the variable.= -7

A. 1 B. 42 C. -14 D. -13

Mathematics

Write the standard equation for the following circle.

A. (x - 8)2 + (y - 1)2 = 25 B. (x - 1)2 + (y - 8)2 = 9 C. (x + 1)2 + (y + 8)2 = 9 D. (x + 8)2 + (y + 1)2 = 25

Mathematics