Factor.x6 - 1

A. (x3 + 1)(x3 - 1)
B. (x2 + 1)(x4 - x2 + 1)
C. (x + 1)(x - 1)(x4 + x2 + 1)
D. (x + 1)(x - 1)(x2 + x + 1)(x2 - x + 1)


Answer: D

Mathematics

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Find the perimeter of the polygon described. Write any improper fractions as mixed numbers.A regular heptagon; one side is 8 yd long.

A. P = 56 yd
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Solve the equation. - 3 = 0

A.
B. {28}
C.
D. ?

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Solve the problem. Round to two decimal places unless otherwise indicated.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = , what is the unit cost for 50 units?

A. $-4.00 B. $5.00 C. $0.60 D. $6.00

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