5 is a coefficient.  A coefficient is a number multiplied by a variable.
(2y+13) is a factor.  It can be multiplied by 8 to get an extended answer.
-1 is a constant.  A constant is a number that does not change.
Hope this helps!
 
        
                    
             
        
        
        
5(a -2)
Djkajksnsj (gay panic because the answer he to be more the 20 characters)
        
             
        
        
        
The range for group 2 is greater than the range for group 1