A. 1 because a to b is 5 miles and b to c is 4 miles so it couldn't be 1 mile
        
             
        
        
        
Place values:
As each is in a different place value, when we add them neither will affect the other, meaning:

Answer: B 4.39
 
        
             
        
        
        
Answer:
infinite
Step-by-step explanation: 
 
        
             
        
        
        
 Answer:
F.
A.
Step-by-step explanation:
 hope this helps you