Answer:
5y^2 + 10y + 5x^2
Step-by-step explanation:
there's only two like terms that can be combined. 
 
        
             
        
        
        
John exercised 20% more than Toby. So the number of hours that John exercises per week is 14 + 0.2(14) = 14 + 2.8 = 16.8.
Jenny exercises two more hours than John. So the number of hours that Jenny exercises per week is 16.8 + 2 = 18.8.
So an expression representing the number of hours that Jenny exercises after w weeks is 18.8w.
        
                    
             
        
        
        
Answer:
3
Step-by-step explanation:
The coefficient is the number before the variable so 3 would be the coefficient in this equation.
Hope this helps!!!