Find ?, if and
?
and ? in QIV
?

A. 300
B. 60?
C. 120
D. 45
E. 240

Answer: A

Mathematics

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Find the absolute value.|5|

A. 0 B. -5 C. 5 D. 10

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Use the inverse formula   to find the inverse of the  matrix (if it exists). ? ? ?

A. ?
B. ?
C. ?
D.
E. ?Does not exist

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