Use the quotient rule to simplify the expression. Use positive exponents to write the answer.

A.  
B. 83
C. 87
D.  

Answer: A

Mathematics

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Solve the equation for x.sin-1 x + cos-1  = ?

A.
B. {1}
C. {0}
D.

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Find the quantity indicated.Suppose that y is varies directly with x. When x = 18, then  Find y when 

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