Answer:
Whats The Answer Choice?
Step-by-step explanation:
 
        
             
        
        
        
A) the length on the top is 2ft. You were supposed to subtract 11ft from 9ft. The length on the bottom is 17. You get that by adding 5ft and 12ft
b) then you add up all the lengths together. 
2+5+12+11+9+17= 56ft
        
             
        
        
        
By the way the arrow is pointing?
        
             
        
        
        
Answer: 
For anything to do with force you have to assume an even amount of force is spread out evenly. But for things like growing rate you have all those variables so you can't assume a constant growing rate like acceleration.
Step-by-step explanation:
hope it helps (:
 
        
             
        
        
        
Answer:
3 hours
Step-by-step explanation:
as jen took 3 hours maryana will take equal amount of time as jen