Simplify.

A. 68
B. Not a real number
C. 28
D. 92


Answer: A

Mathematics

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Provide an appropriate response.A baseball is hit when it is 3.4 feet above the ground. It leaves the bat with an initial velocity of 147 ft/sec at a launch angle of 25°. At the instant the ball is hit, an instantaneous gust of wind blows against the ball, adding a component of 5i ft/sec to the ball's initial velocity. Find the range and flight time of the ball, assuming that the ball is not caught.

What will be an ideal response?

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Solve.The perimeter of a square is 76 units. Write and solve an equation to find the length of one side, s, of the square.

A. 4s = 76; s = 19
B. s2 = 76; s = 38
C.  = 76; s = 19
D. 4s = 76; s = 361

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Provide an appropriate response.am ? an = 

A. am - n B. a2m C. am + n D. amn

Mathematics

Use synthetic division and the Remainder Theorem to find the function value.f(x) = 2x3 - 7x2 - 8x + 14; find f(4)

A. -2 B. -392 C. 62 D. 258

Mathematics