Factor completely. If prime, so state.x3 - 512
A. (x + 512)(x + 1)(x - 1)
B. (x + 8)(x2 - 8x + 64)
C. (x - 8)(x2 + 8x + 64)
D. (x - 8)(x2 + 64)
Answer: C
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Find a linear equation whose graph has the indicated slope and passes through the given point.slope 5, point (2, 6)
A. y = 2x - 4 B. y = 5x + 4 C. y = 5x - 4 D. y = -5x - 4
Find the midpoint of the segments determined by the given end points.(6, -1), (-2, 4)
A. (8, -5)
B. 
C. 
D. (4, 3)
Find the y-intercepts and any x-intercepts.y = -3x2 - 2x + 2
A. y-intercept (0, 2), x-intercepts 
and 
B. y-intercept (0, 2), x-intercepts 
and 
C. y-intercept (0, 2), x-intercepts 
and 
D. y-intercept (0, 2), no x-intercepts
Solve the problem.The function A = A0e-0.0099x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 400 pounds of the material are initially put into the vault, how many pounds will be left after 40 years?
A. 350 pounds B. 269 pounds C. 119 pounds D. 114 pounds