Simplify.

A.
B. 7
C.
D. 17


Answer: C

Mathematics

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Perform the indicated operation. Simplify, if possible. -  + 

A.  
B.
C.  
D.  

Mathematics

Solve the equation.log (4 + x) - log (x - 4) = log 5

A.
B. {-6}
C. {6}
D. ?

Mathematics

Simplify the expression.

A. 6
B. 6
C. 24
D. 6

Mathematics

Find the equation in standard form of the parabola described.The vertex has coordinates , and the focus has coordinates .

A. (x - 9)2 = 
B. 2 = (y - 9)
C. (x + 9)2 = 
D. 2 = (y + 9)

Mathematics