Answer:
2  hours at 15mph
4 hours at 4mph
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Step-by-step explanation:
1. One-fourth the cube of  x:  (1/4)x³
2. The ratio between m and  <em>(incomplete question)</em>
3. The product of w and  <em>(incomplete question)</em>
4. Six more than two times a  number
:   2n + 6
5. Three times the quantity eight  plus x:  3(8 + x)