Answer:
   175 m
Explanation:
The average velocity for constant acceleration is the average of the beginning and ending velocities. That is (0+39)/2=19.5 m/s. If the bicyclist rides for 9 seconds, the distance traveled is ...
   (9 s)(19.5 m/s) = 175.5 m
She would travel 175.5 meters in that time.
 
        
             
        
        
        
I believe it is A. positive acceleration since it is speeding up
        
             
        
        
        
Hi Jason!☺
The answer is going to be
 B, they harm the ozone layer.I have taken the quiz and am 100% sure.
~Elisabeth
 
        
        
        
Enough heat and pressure 
I hope this helps.