You need to add a picture in order for others to understand what you are referring to.
(4) is the y-intercept in the equation, and is where you plot it on the y-axis. (-3) is your slope. If you were to graph it, here is the link to how it looks like.
Answer:
0.2
Step-by-step explanation:
A probability is from 0 (will definitely not happen) to 1 (will definitely happen).
The closer to 0, the more unlikely it is that it will happen.
Answer: 0.2
The answer is c use Desmos .com and see creat the lines