How many points should be plotted when creating a scatterplot from the table of values below?

Pages in Book vs. Time Needed to Read
Number of pages in book
Time needed to read book (hours)
200
18
175
15
275
21
225
18
400
30
350
26

5
6
11
12

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

How do you determine whether a relationship represented as as graph is linear or nonlinear

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.