Simplify the expression. Assume that all variables are positive when they appear.

A.
B.
C. 103
D. 3 


Answer: B

Mathematics

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Divide. Simplify, if possible.242 ÷ (-11)

A. -22
B. 22
C. -32
D. - 

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Subtract:

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Find the inverse of the given matrix, if it exists. If not, write does not exist. Verify your answer.

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Rewrite the expression with positive exponents and simplify.   ?

A. ?
B.
C.
D.
E.

Mathematics