<span>(n + 3) • (m - 5) is the correct answer and I hope this helped you out.  </span>
        
                    
             
        
        
        
Answer:
A. 
Step-by-step explanation:

I am joyous to assist you anytime.
 
        
             
        
        
        
Answer:
7. 10 8. 20 9. 100 thats all i know
Step-by-step explanation:
 
        
                    
             
        
        
        
Your answer would be 4.23 as the answer will be a long one, estimated.