Combine like terms.-9b + 3b

A. -6b2
B. -6b
C. -12b
D. 6b

Answer: B

Mathematics

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Simplify.-4

A.
B. -625mn
C.
D. - 

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Use rational exponents to simplify the radical. If rational exponents appear after simplifying, write the answer in radical notation.

A.
B.
C.
D.

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Simplify. - 

A.
B.
C.
D.

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Find the domain of the function.f(x) = 

A. {x|x ? 9} B. {x|x ? 3} C. {x|x ? 9} D. {x|x ? 3}

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