5 because 20:6 is the car to motorcycle.
6:15 is the motorcycle to van.
20÷15=5
~JZ
Answer:
slope=-12
Step-by-step explanation:
slope =y2-y1/x2-x1
5-17/-1-(-2)
-12/-1+2
-12/1
-12
The second to last one, looks like a really tall speed bump
If you are asking for the formula thing, it is
y=3x+2