Factor completely. If a polynomial cannot be factored, say it is prime.135x3 - 320x6
A. 5x3(3 - 4x)(9 + 12x + 16x2)
B. 5(3x + 4x2)(9x2 - 12x3 + 16x4)
C. 5(3x -4x2)(9x2 + 12x3 + 16x4)
D. 5x3(3 - 4x)(9 + 16x2)
Answer: A
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Determine whether the following statement is true or false.7 divides 56.
A. True B. False
Suppose that y is directly proportional to x. Use the given information to find the constant of proportionality k. Then use y = kx to find y for the given value of x.y = 8.5 when x = 17;
Find y given x = 6.
A. k = 144.5; y = 
B. k = 1.5; y = 2.4
C. k = 0.5; y = 3
D. k = 0.5; y = 2.4
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3, and P4.)Which players in the coalition {P1, P3} are critical?
A. None of the players B. P1 and P3 C. P3 only D. P1 only E. none of these
Solve the system of linear equations. x + 5y = 10 2x + 6y = 12
A. (0, 2) B. (-2, 0) C. No solutions D. (1, 1)