Matt sells used books on the Internet. He has a weekly fee he has to pay for his website. He has graphed his possible weekly earnings, as shown.
7. What is the weekly fee that Matt pays for his website?(What is the y-intercept?)
8. How much does Matt make for each book sold? (What is the slope?)
9. Write the equation in slope-intercept form for the line in Matt's graph.
10. How many books does Matt have to sell to make $ 30 for the week?
