Answer:
The answer is D.
Step-by-step explanation:
As said in the problem, we are labeling the total minutes used <em>x </em>and the total monthly income as <em>y</em>. This means that in the graph we will be making the y-axis should represent the total monthly charges, and the x-axis should represent the total minutes.
Thus the graph should go through points (100,155) and (200,245) and its slope is:

Answer:
Step-by-step explanation:

Answer:
y=6
Step-by-step explanation:
if a slope is 0 than its just y=b. I hope u have a good day
Answer:
I say the first graph in the first pic
Also,the 2nd graph in the 2nd pic