Simplify. Assume that all variables represent positive numbers. 

A. x - 
B. x2 - 4x + 4
C.  - 
D. x - 2


Answer: D

Mathematics

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Solve the equation using graphical methods. Round to the nearest thousandth when appropriate.(8x - 3) + 5 = 9(x - 3)

A. x = - 5 B. x = - 29 C. x = 29 D. x = - 19

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Write the ratio as a fraction in simplest form. ?  to ?

A.
B.
C.
D.
E.

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Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms. +  +  + 

A. 16 +  +  
B. 16 + 21
C.  +  + 21
D. 136 + 21

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