PLEASE HELP I WILL GIVE BRANLIEST

Sarah is self-publishing her 300-page novel and wants to estimate the printing costs.

Answer the questions to estimate the cost of printing a 300-page paperback book.

1. What is the y-intercept for the trend line? What is the real-world meaning of this point?

2. One point on the trend line is (200, 6). Using this point and the y-intercept, find the slope of the trend line. Show your work.

3. What is the real-world meaning.of the slope?

4. Use the slope and y-intercept to write an equation for the trend line in slope-intercept form.

5. Use your equation to estimate the cost of printing Sarah's 300-page book.​