450,000 is your answer:) hope I helped
        
             
        
        
        
Answer:
They both have the same answer.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Linear. While all linear equations produce straight lines when graphed, not all linear equations produce linear functions. In order to be a linear function, a graph must be both linear (a straight line) and a function (matching each x-value to only one y-value).
 
        
             
        
        
        
Answer:
Step-by-step explanation:
this seems like substitution
If so its the first part is 12x6
second part is 35 x 6
third part is 56 x 6
 
        
                    
             
        
        
        
He made the first error in number 3