-7 -6 -5 -4 -3 -2 -1 0 1  2  3  4  5  6  7
Now you can tell me wich is the closest number.
        
                    
             
        
        
        
Answer:
<em><u>c2=10</u></em>
Step-by-step explanation:
8^2+6^2=c2
64+36=120
c2=square root of 120..which is 10
 
        
             
        
        
        
If she stopped at 8;05, and she started 20 minutes earlier, just imaging a clock at 8:05 and turn back time 20 minutes. 
Five minutes would be 8:00, ten minutes is 7:55, fifteen minutes is 7:50, and twenty minutes is 7:45. This, she started at 7:45