Step-by-step explanation:
Combing like terms means that you combine the terms that are alike. So, if you have integers you would combine the integers. If you had a variable like x, you would combine everything with x. For instance, 2x+4+3+7x, to combine like terms add 4+3 and 2x+7x. 
 
        
             
        
        
        
Answer:
what are your choices
Step-by-step explanation:
 
        
             
        
        
        
20% = 0.20
800 * 1.20 = 960
 total cost = £960
        
             
        
        
        
111. 
660/6 = 110. In order to make a profit you need to sell at least one more than that. 
Hope this helps.
        
                    
             
        
        
        
Answer:
Yes it is, but further be simplified as 
P = 2(l+w)
Step-by-step explanation: