Factor the sum or difference of two cubes completely.48s3 + 6

A. 6(2s + 1)(4s2 - 2s + 1)
B. 6(2s + 1)(4s2 + 2s + 1)
C. 6(2s - 1)(4s2 + 2s + 1)
D. 6(2s + 6)(4s2 - 12s + 6)


Answer: A

Mathematics

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Use the empirical probability formula to solve the exercise.Two coins are tossed 20 times and the number of tails is observed.What is the probability that exactly one tail occurred?

A.
B.
C.
D. 1

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Multiply.7y(-3y2 - 8y + 7)

A. -21y3 - 56y2 + 49y B. -21y2 - 56y + 49 C. -21y3 - 8y + 7 D. -21y3 - 56y2 + 49

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Simplify.  ? 

A.
B.
C.
D.

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Find the vertices and locate the foci for the hyperbola whose equation is given. -  = 1

A. vertices: (-5, 0), (5, 0)   foci: (- 13, 0), (13, 0) B. vertices: (0, -12), (0, 12)   foci: (- 13, 0), (13, 0) C. vertices: (-12, 0), (12, 0)   foci: (-5, 0), (5, 0) D. vertices: (-12, 0), (12, 0)   foci: (- 13, 0), (13, 0)

Mathematics