Answer:
1
Step-by-step explanation: i am not sure
 
        
             
        
        
        
 Answer:
-224
Step-by-step explanation:
xyz^2
(2)(7)(-4)^2
14 x -16
-224
 
        
             
        
        
        
Answer:
35 hours
Step-by-step explanation:
1 mile would be 7 hours- 7x5=35
 
        
             
        
        
        
Answer:
10/49
Step-by-step explanation:
You just have to multiply the numerators and denominators from each other, then cancel out the common factors that is 3 only. 
:)