Solve.x -  = -4

A. x = 21
B. x = -21
C. x = -19
D. x = 19


Answer: C

Mathematics

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A. No B. Yes

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Solve the equation.a -  = -6

A. -11 B. -13 C. 11 D. 13

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Simplify the exponential expression.(x8y)2

A. x16y B. x16y2 C. x10y D. x10y3

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Solve the problem.The profit in dollars from the sale of x thousand compact disc players is P(x) = x3 - 5x2 + 12x + 8. Find the marginal profit when the value of x is 8.

A. $264 B. $132 C. $124 D. $272

Mathematics