Simplify the expression.()2

A. -3j
B. 3
C. 3j
D. -3

Answer: D

Mathematics

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Simplify the expression. Assume all variables represent positive real numbers.

A. 245x 
B. 7
C. 5x2
D. 7x

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Mathematics

Write the number as indicated.The Johnsons have driven their car forty two thousand, eight hundred one miles in the last few years. Write the number using digits.

A. 420,801 B. 4281 C. 42,801  D. 42,810

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Mathematics

Simplify the given expression. Write the answer with variables in alphabetical order and any constant term last.y2z + 3xy2 - 15y2z + 9

A. 3xy2 - 24y2z + 9
B. xy2 + 24y2z + 9
C. 3xy2 + 24y2z + 9
D. xy2 - 24y2z + 9

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Mathematics

Find the grade point average for a student earning the following grades. Assume     and   Round answer to the nearest hundredth.-49.0px;" /> A. 8.20 B. 2.41 C. 1.41 D. 3.15

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Mathematics