I think that the answer would be B
        
             
        
        
        
Answer:
14
Step-by-step explanation:
You can put it as a fraction like so:
2/1 divided by 1/7
Use the strategy KCF (Keep, Change, Flip)
2/1 x 7/1
=2x7
=14
 
        
                    
             
        
        
        
Answer:
9n-3
Step-by-step explanation:
since 9n has a variable, u can't add or subtract 9n with 3
but if you were multiplying: 9n(3) then it would be 27n 
:)
 
        
             
        
        
        
Uh, so, you're median is 81 already.
Since the middle two numbers are 82 and 80, you have to add them together and then divide by 2. 
However, if you're trying to add a number in, adding 81 as it is would work as well.
Hope this helps!
        
             
        
        
        
It’s 2/15
It’s just 2x1 and 3x5