The answer for the first on 8 and the second one is 9
If you're talking about the books in between, it will/be 20 books
Your answer is C: c = 2.50 + 2.50n
To get this answer I looked at the possible answers and inserted the numbers from the chart to see which fit.
Answer:
(D) -0.2
Step-by-step explanation:
slope = 7-5 / 15 - 25