Answer:
nice bro good for you :)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
6=65
Step-by-step explanation:
34
 
        
             
        
        
        
Answer:  F) 7 mph
<u>Step-by-step explanation:</u>
The line you drew is correct but you read the graph wrong.  
The line drawn from 15 hours of training (bottom axis) meets the "line of best fit" at the average running speed (left axis) between 6 and 8, which is 7.
 
        
             
        
        
        
You should get the app "photomath" that will help out alot!!!
        
             
        
        
        
Answer:
5x + 3
Step-by-step explanation:
1) Collect like terms.
 (2x − x + 3x + x) + (5 − 2)
2) Simplify
 5 x + 3