<u><em>Hi there! </em></u>
Step-by-step explanation:


<em><u>So therefore, the slope is 2.</u></em>
<em><u>Final answer is 2.</u></em>
<em><u>*The answer must have a positive sign.*</u></em>
I hope this helps you!
Have a nice day! :)
-Charlie
:D
In the question, there are certain information's that are of immense importance in regards to finding the answer. The first information is that Jose Rivera had purchased 7 textbooks for his classes at River Run Community College. The price that Jose Rivera had to pay was $208.55. The average cost per textbook needs to be found.
The cost of 7 textbooks purchased by Jose Rivera = 208.55 dollars
Then
The cost of 1 textbook purchased by Jose Rivera = (208.55/7) dollars
= 29.79 dollars
The average cost of a textbook purchased by Jose Rivera rounded to the nearest cent is 29.80 dollars.