It is useful because it helps you know how many faces the prism or pyramid has 
        
                    
             
        
        
        
(2n/6n+4)(3n+2/3n-2)
=2n(3n+2)/(6n+4)(3n-2)
=(6n^2 + 4n)/(18n^2 - 12n + 12n -8)
=(6n^2 + 4n)/(18n^2 - 8)
=2(3n^2 + 2n)/2(9n^2 - 4)
=(3n^2 + 2n)/(9n^2 - 4)
=n(3n+ 2)/(3^2 × n^2 - 2^2)
=n(3n+ 2)/(3n-2)(3n+2)
=n/(3n-2)
Answer:The numerator of the simplified expressions is n.
        
                    
             
        
        
        
Answer:
1260.3 m3
Step-by-step explanation:
V = 4/3 pi r3 
4/3 × 22/7 × 6.7^3 
1260.3 m3 
 
        
             
        
        
        
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Answer:
the answer would be federal income tax withheld W-2