Simplify the expression. ?   

A. 5
B. 25
C. 5
D.


Answer: C

Mathematics

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Clear fractions then solve by substitution. +  = 4 - 2y = 21

A. {(6, -8)} B. {(-6, 8)} C. {(x, y)| 7x + 5y = 48} D. ?

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Decompose into partial fractions.

A.  +  +  +  + 
B.  +  +  +  + 
C.  +  +  +  + 
D.  +  -  +  + 

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Use synthetic division to divide.(x3 - 2x2 + 5x - 7)  ÷ (x + 4)

A. x2 - 6+ 29 + 
B. x3 - 2x2 + 29- 123
C. x2 - 6+ 29 + 
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