Simplify the expression. Assume all variables represent positive real numbers.4 - 2m2p

A. cannot be simplified
B. 2
C. 2m2p
D. 6mp2


Answer: C

Mathematics

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Find percent notation.0.128

A. 12.8% B. 0.0128% C. 128% D. 0.128%

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Classify the system as either consistent or inconsistent.

A. Consistent B. Inconsistent

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Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.20x2 + 16x - 4

A. (5x - 1)(4x + 4) B. (5x + 1)(4x - 4) C. (4x - 1)(5x + 4) D. (x - 1)(20x + 4)

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Solve.The formula  represents the number of households N, in thousands, in a certain city that have a computer x years after 1990. According to the formula, in what year were there 89 thousand households with computers in this city?

A. 1993 B. 1994 C. 1995 D. 1992

Mathematics