Answer:
A, B, C, D
Step-by-step explanation:
A is equal to 54, B is equal to 23, C is equal to 72, and D is equal to 84.
 
        
                    
             
        
        
        
Answer:
45
Step-by-step explanation:
 
        
             
        
        
        
Answer: 180 miles x 3 hours = 540
540/2 = 270
270 is the average speed
Step-by-step explanation: