Answer:
254.47
Step-by-step explanation:
 
        
                    
             
        
        
        
Okay luv so let's solve this equation together:
8n-(2n-3)=12
simplify
8n+-1(2n-3)=12
8n+-1(2n)+(-1)(-3)=12
8n+-2n+3=12
(8n+-2n)+(3)=12 Combine like terms
6n+3=12
Then subtract from both sides
6n+3-3=12-3
6n=9
Then divide both sides by 6
6n/6=9/6
so...n=3/2
        
             
        
        
        
Answer:
32
Step-by-step explanation:
You must divide 288 by 18 and then double the answer you get. 
 
        
             
        
        
        
You will make 4 sales if you are making a sale between 3 and five because 4 is whats in between 3 and 5. If your are to compute you will make a sale of average 4 because the average of 3 and 4 is 5. Computed as 3+5/2=4.
        
             
        
        
        
Answer:
3 and 28
Step-by-step explanation:
note ( )(x ) =
 )(x ) = 

=  and
  and
( )(4) =
 )(4) =  =
 =  =
 =  = 3
 = 3
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(f + g)(x) = f(x) + g(x)
f(x) + g(x)
= x² + 2x - 3 + x² - 9 = 2x² + 2x - 12 and
(f + g)(4) = 2(4)² + 2(4) - 12 = 2(16) + 8 - 12 = 32 + 8 - 12 = 28