You do 9x27=243 then take 2x31=62 add 243+62=305 then take 305 and subtract it from 28 305-28=277 
so if i did it right you should get n=277
        
             
        
        
        
Answer:
its a black screen so yeah
 
        
                    
             
        
        
        
Answer:
6
Step-by-step explanation:
the mean is 6 so is the median, can I have brainliest plz and thanks if yes
 
        
             
        
        
        
Answer:
Always
Step-by-step explanation:
8 - 9 = -1
1/3 - 1/6 = 1/6   are 2 examples
  
        
             
        
        
        
Answer:
True
Step-by-step explanation:
Take 4/11 and you get 0.363636363636, which is the same if you take 12/33.  So the proportion of the two is the same.