The difference between 89 and 73 is: 
The difference between 84 and 80 is: 
The difference between 84 and 73 is: 
The difference between 89 and 72 is: 
The difference between 99 and 73 is: 
The difference between 89 and 33 is: 
The difference between 90 and 74 is: 
The difference between 89 and 73 is: 