Find the product.8xy2(3x2y3 + 5xy)
A. 11x3y5 + 13x2y3
B. 24x3y5 + 40x2y3
C. 24x2y6 + 40xy2
D. 11x2y6 + 13xy2
Answer: B
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Multiply.(9x - 1)(x2 - 6x + 1)
A. 9x3 - 54x2 + 9x + 1 B. 9x3 - 55x2 + 15x - 1 C. 9x3 + 55x2 - 15x + 1 D. 9x3 - 53x2 + 3x - 1
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 
+ 4 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 speed reaches zero. After how many seconds does the ball reach its maximum height?
A. 160
B. 10
C. 
D. 5
Write the indicated event in set notation.Three coins are flipped and more tails are obtained than heads.
A. {ttt, tth, tht, htt} B. {ttt} C. {ttt, tth} D. {tth, tht, htt}
Solve the problem.Find the equation of the parabola 
that passes through the points (-2, 4), (0, -2), and (3, 1).
A. y = 
x2 + 1x - 5
B. y = 
x2 - 
x - 2
C. y = - 
x2 + 
x - 2
D. y = 
x2 - 
x - 