64 divided by 8 = 8 
So you're answer would be 8
        
             
        
        
        
If you want the answer youse a calculator or do 21 divided by 38
        
             
        
        
        
Answer:
See below. The series converges.
Step-by-step explanation:
 
        
             
        
        
        
10/12= $.83 per inch
20/18= $1.11 per inch
        
                    
             
        
        
        
Answer:
It's A 7^7
Step-by-step explanation:
This is because if two numbers with the same base divide,we subtract the exponent of the divisor from that of the dividend