Answer:
10x−31
Step-by-step explanation:
Let's simplify step-by-step.
10x+9−40
=10x+9+−40
Combine Like Terms:
=10x+9+−40
=(10x)+(9+−40)
=10x−31
Hope this helps and can you please give me brainliest ;-)
 
        
             
        
        
        
Answer:
c
Step-by-step explanation:
the rectagler is 4 by 8 then the other one is 7 bye 4 
answer c
 
        
             
        
        
        
Answer:
I think it 120 times
Step-by-step explanation:
hope this helps!!!
 
        
             
        
        
        
Answer:
Sorry, I can't help you because you didn't provide enough information.
Step-by-step explanation: