Multiply.(3x + 5y)2

A. 9x2 + 30xy + 25y2
B. 3x2 + 30xy + 25y2
C. 3x2 + 25y2
D. 9x2 + 25y2

Answer: A

Mathematics

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Express the number in scientific notation.0.0000004

A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9

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Find:

ÚÄÄÄÄ û-625 a. -1 b. j c. j25 d. 25 e. j625

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Divide.

A. 5m + 6
B. m - 6
C. 5m - 6 + 
D. 5m - 6

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Solve. -  = 

A. 50
B. -25
C.
D. 25

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