Factor the sum or difference of cubes.4b5 - 32b2
A. 4b2(b + 2)(b2 - 2b + 4)
B. 4b2(b - 2)(b2 + 2b + 4)
C. 4(b3 + 2)(b2 + 2b - 4)
D. 4b2(4b - 2)(b2 - 2b + 4)
Answer: B
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Answer the question or solve the problem.Susan, Tim, Peter, Nora and Norma have 20 pieces of candy to share. Susan only wants two pieces. Peter will take as many as he can. Tim and Nora will end up with the same number of pieces. Norma will not get the most pieces, but Susan will get the fewest pieces. Norma will get twice as many pieces as Susan and the same number as Tim. They all end up with an even number of pieces and no one has more than 10-pieces. How many pieces of candy does each get?
A. Susan ? 2, Tim ? 4, Peter ? 6 , Nora ? 4, Norma ? 4 B. Susan ? 2, Tim ? 2, Peter ? 10, Nora ? 4, Norma ? 2 C. Susan ? 2, Tim ? 4, Peter ? 8, Nora ? 2, Norma ? 4 D. Susan ? 2, Tim ? 2, Peter ? 8, Nora ? 4, Norma ? 4
Find the zeros of f(x), given that one zero is k.f(x) = x3 + 5x2 + 25x + 125
k = -5
A. -5, 125i, 25i
B. -
, ±5i
C. -5, ±
D. -5, ±5i
Evaluate the indicated trigonometric function of the acute angle ?.If ? is an acute angle of a right triangle and if cot ? = 
, then find the value of sin ?.
A. 3
B. 
C. 
D. 
?Which of the following can be converted to a repeating (non-terminal) decimal? ?
A.
?
B.
?
C.
?
D.
?
· 
E.
?b and d
F.
?b and c