Multiply and simplify. ? 3b

A. b
B.
C.
D. 11b


Answer: D

Mathematics

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A.  
B.  
C.  
D.  

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A.
B.
C.
D.

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A.
B.
C.
D.

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Determine the vertex of the graph of the parabola.y = - x2 - 6x - 9

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