She should use Mean. That is when you add together all of the numbers, then divide by the number of numbers. Her average grade is 80.75, or rounded it is 81.
        
             
        
        
        
Answer:
Final velocity is 3
Change in velocity is 4
Initial velocity is 2
Instantaneous velocity is 1
Acceleration is 5
 
        
             
        
        
        
Answer:
Hello
Step-by-step explanation: