Multiply.-5 ? (-4)? 0 ? 4

A. -80
B. 80
C. 0
D. 70

Answer: C

Mathematics

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Find the domain of f. Write your answer in interval notation.f(x) = 

A.
B.
C.  
D.

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Use mathematical induction to prove the statement is true for all positive integers n. +  +  + . . . +   = 

What will be an ideal response?

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Multiply.[5x + (4y - 4)]2

A. 25x2 + 16y2 + 16 B. 25x2 + 40xy - 40x + 16y2 - 32y + 16 C. 25x2 - 80xy + 16 D. 25x2 - 160xy + 16

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