Answer:

Step-by-step explanation:

Answer:
The first 2 and the last one
Step-by-step explanation:
You need to have an input per output, and to choose one or multiple the need to have a continuous pattern. Ex.+5 ad -2 on both sides every time would be a linear function.
Let bob score =x
according to given condition
(3x-40)/2=100
3x-40=200
3x=240
x=80
so bob score =80
The steepness of a line is slope. This is how fast y changes with respect to x. It is the rise over the run.
Hope this helps!!