Perform the operation and write the result in the standard form.(7 + )(6 + )

A. 168 i
B. 2 + 86i
C. 1642 + 598i
D. 168


Answer: B

Mathematics

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A. (-?, 8] B. (-?, -8] C. [8, ?) D. (-?, 8)

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Find the sum of the geometric series.4 + 8 + 16 + 32 + 64 + . . . + 4 ? 29

A. 4094 B. 4129 C. 4092 D. 4072

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Find the absolute value. 

A. -523 B. 52.3 C. 0 D. 523

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Simplify.

A.
B.
C.
D.

Mathematics