Step-by-step explanation:
here you go!
so basically x = 9 cars
Y=mx+b or -2=-1 x 2+b, b= -2(-1)(2) b=0
Therefore the equation of the line is
y=-1x
The midsegment theorem says that the midsegment is half the third side and parallel as well. 20*2 is 40 so x = 35