The answer is B because every time Nelson mows a lawn, he will earn $15 each.
Answer: See the description below.
The residuals are the difference between the actual and predicted values. Just subtract those values and plot the point.
Your points will be:
(2, 0)
(3, 4)
(4, -5)
(6, -1)
(7, 2)
A translation right 5 units and up 4 units.