Hi there ! The answer is C
        
             
        
        
        
Each have six in them because six times three equals eighteen and twenty minus two equals eighteen.hope this helps
        
             
        
        
        
Answer:
 12 times a day. 
Step-by-step explanation:
 The minute hand will pass 6 on a clock from midnight to noon each day for 12 times a day.
 
        
                    
             
        
        
        
Answer:
h(f(x))=3x-4
Step-by-step explanation:
You combine both F(X) and H(x). 
f(x)=x-7 , therefore  it is f(x)=1x-7
You add 2x with 1x  to get  3x 
and 7-3 is -4.
h(f(x))=3x-4