Answer: D. f(x)=-34x+320
The line of best fit for the scatter plot shown would have a value of positive 320 when x=0 and it’s a drecreasing slope so it will need to have a negative x value. 
f(x)=-34x+320
 
        
             
        
        
        
Domain is x while Range is Y
        
             
        
        
        
1) 23
2) 3
3) 6x+5 (I am not sure what they ask for)
4) -12+x
5) -56x + 16
6) -90+80x
7) -18x+45y-27
8) 6x+24y-42
9) 2/3w+x-1
10) -1.2wy +3y
        
             
        
        
        
C. Because it equals to the degrees to the 3.7 radians
        
             
        
        
        
The answer to number one is 18 and the answer to number two is -1