Multiply and simplify.-6z ? 

A. 0
B. 36z
C. 1
D. -1


Answer: C

Mathematics

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Write the expression in the standard form a + bi.

A. 1 + i B. -1 + i C. -1 - i D. -1 + 2i

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Evaluate the expression.(f ? f)(2) when f(x) = 2x + 5 and g(x) = 3x2 - 2

A. 23 B. 19 C. 9 D. -7

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Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)  and  

A. Yes B. No

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Perform the operation indicated. Simplify. - 

A. - 
B.
C.
D. - 

Mathematics