Answer is (-1.5,5)
Midpoint formula is M= ((X1+X2)/2), ((Y1+Y2)/2)
So it becomes ((-4+1)/2), ((9+1)/2)= (-1.5,5)
C) m = 8h
In the model, Kevin is earning $8 per hour he works.
I agree with the person above, I also believe it is B, have a nice day, Merry Christmas