Answer:b
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: 14 hours
Step-by-step explanation: First I found the unit rate of how much money per hour. So, 357 divided by 17 = 21. So know I know that she earns 21$ per hour. Then, I did 237 divided by 17 which would be 13 remainder 16. Since he only get paid if he works for a full hour, I think the answer would be 14.
 
        
                    
             
        
        
        
Look at the ss down below
        
                    
             
        
        
        
Answer:
 11.25 km h^-2
Step-by-step explanation:
Acceleration = increase in velocity / time
= 90 - 0 / 8
= 11.25 km h^-2.