Hey. ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ
 
        
        
        
Answer:
89percent 
Step-by-step explanation:
i am not good at math but what ever
 
        
             
        
        
        
Answer:
The answer to your question is the first option.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
5
Step-by-step explanation:
rate of change = slope = 5
 
        
             
        
        
        
Answer: They would have to score an 88%
Step-by-step explanation:
1.) The mean of 84, 92, 83, and 78 is 337
2.) 337 divided by 4 is 84.25% 
3.) If you add 88 to 337 and divide by 5, you get 85%