Simplify the expression

A) The expression cannot be simplified.
B) 2
C) 3
D) –3
E) –9


D) –3

Mathematics

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A. (-22, 20) B. (-?, -22) ? (12, ?) C. (-?, -12) ? (22, ?) D. (-?, -22) ? (20, ?)

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Classify the sequence as arithmetic, geometric, Fibonacci, or none of these and supply the next term. ? 3, 15, 75, 375, ... ?

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Translate to an equation and solve.What number is 5% of 78? Round to the nearest hundredth when necessary.

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Mathematics