P(8 or 12) = 1/6
P(not 8 or 12 = 5/6
Let the expected points fro one roll be X.

The answer is -(1/6) points.
I don't know what the "lowest y-intercept means" so if you can reiterate and clarify I'd appreciate it, but if you understand what you're looking for then I assume that a graph would be helpful. An online useful graphing site I like is desmos. Hope I helped.
Answer:
it will be the last one bc 18d is on the chart
Answer:
13
Step-by-step explanation:
Put n as 4

Hope this helps :)
Quadratic equation is the correct answer since there are 2 x-terms which is the first where ax^2 and then bx which leaves a constant.