Answer:
a: y=70x
b: y=70x+100
c: They are parallel to each other, with equation b's line being 100 dollars above equation a.
Step-by-step explanation:
They both have the same slope (70), but new customers will have a y intercept of 100 because of the one-time fee.
Answer:
k=7.38
Step-by-step explanation:
12.28-4.9=7.38
I believe that the answer is B and D