Answer:
12 30
Step-by-step explanation:
 
        
             
        
        
        
A,d,b, and then c ,basically least to greatest
        
                    
             
        
        
        
Answer: (4a - 3b)2
Step-by-step explanation:it stays the same because there is no like terms
 
        
             
        
        
        
Step-by-step explanation:
???????? what is easy?? 
 
        
                    
             
        
        
        
Answer: Harry Potter
Step-by-step explanation: