Two cheaper books = x
more expensive = 1.5x
so, 2.5x=150
150/2.5=x=60
therefore the more expensive book = 90
Can you insert a photo of the question please it would greatly help me answer this
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)
Answer:
Both are 72 do you need steps?
