Factor the polynomial completely. If the polynomial is prime, so state.x3y + 8x2y + 15xy
A. x(xy + 5)(xy + 3)
B. x(xy + 1)(xy + 15)
C. xy(x + 1)(x + 15)
D. xy(x + 5)(x + 3)
Answer: D
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A. True B. False
Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceA baseball is hit when it is 2.1 ft above the ground. It leaves the bat with an initial velocity of 
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A. y-axis B. x-axis C. origin D. x-axis, y-axis, origin E. none