need help!!

math unit 5 lesson 10

1) Write an equation for the line of best fit 2) Make a prediction for a student who studies 6 hours on what their math grade will be 3) Make a prediction of how many hours a student would need to study for a grade of 40%

To assist you better, could you please provide more details about the lesson or context of the math problem in unit 5 lesson 10?