Answer:
5
Step-by-step explanation:
3x5x7x9=945
9 is in the hundreds place
4 is in the tens 
which means 5 must be in the ones
 
        
                    
             
        
        
        
I think A=12bh I hope it’s right
        
             
        
        
        
First order the numbers from least to greatest then cross out the numbers until you get to the middle one which is 18 ft. Hope this helped
        
             
        
        
        
Answer:
18 21 24 24 =87 maybe trying to help
 
        
             
        
        
        
It would be 40.
60 minus 20 = 40
Difference means subtraction