Answer:
A pair of inverse operations is defined as two operations that will be performed on a number or. variable, that always results in the original number or variable. Another way to think of this is. that the two inverse operations “undo” each other. 
Step-by-step explanation:
for example addition and subtraction are and divison and multiplication are, because they inverse each other. 
 
        
             
        
        
        
I think you can google this
        
                    
             
        
        
        
Answer: 24 laps
Step-by-step explanation: it’s a ratio, so a fraction. 4/6 = x/36 
cross multiply and get 6x = 144 
divide by 6 and get x = 24
 
        
             
        
        
        
Answer:
1 hour and 7.5 minutes or 67.5 per day will help him reach his goal of 9 hours per 8 days.
Step-by-step explanation:
9 hours 
- 8 days
________
8 hours 
1  hour left
1 hour is 60 minutes and 60/8 is 7.5 so each day will have added to it 7.5 minutes wish makes the answer 1 hour and 7.5 minutes or 67.5 minutes.