Answer:
your answer is 9
Step-by-step explanation:
Just trust me!
 
        
                    
             
        
        
        
Answer:
36
Step-by-step explanation:
 
        
             
        
        
        
Answer:
F(105)  = 15
Step-by-step explanation:
105 ÷ 7 = 15
Hope this helps!
 
        
             
        
        
        
Answer:
   Jhon
Step-by-step explanation:
At the rate of 4 minutes per problem, it take Juaqine ...
   (4 min/prob)×(6 prob) = 24 min
to solve the problems. 
That is more time than it takes Jhon, so Jhon is faster.