Answer:
the answer is h 86.8 first you gotta take all the numbers then drop the two lowest  then you multiply the ones you hsve left then divide it by the number of grsdes there is 
 
        
             
        
        
        
The answer is 32.7 b so the answer is 105 over 10
        
                    
             
        
        
        
Y=kx+b
2k+b=-1
6k+b=1
6k+b-2k-b=2
4k=2
k=1/2
b=-2
y=1/2x-2
So your answer is option A