B. 
Use the photo for future references.
 
        
        
        
Average speed=Total Distance Covered\<span>Total time take<span>n
T.D=240+180=420
T.T=2.5+2=4.5
420\4.5=93.3 km\h
answer=D</span></span>
        
             
        
        
        
I think this is how you do it.
 
        
        
        
Answer:your mom
Step-by-step explanation:
cause i took it already 
 
        
             
        
        
        
Answer: c 
Step-by-step explanation:
they are similar but to be congruent they need to be the same and therefore can not touch like that