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C. Pick two points that fall on your line (probably not any of the original given points). Use these two points to calculate the slope m.

D. Find units of measure for the slope, m, also known as rate of change. Using the context of the problem, write a short sentence explaining the measuring of the slope in this problem.

E. Substitute the values of the slope and one point into the equation y-y=m(x-x) to write the equation in point slope form.

F. Write the equation of this line in slope intercept form: y=mx+b. This equation gives us a linear model for the tire tread depth based on the distance the vehicle was driven.

G. What is the Y intercept of your model? Using the context of the problem, write a short sentence explain the meaning of the Y intercept in this problem.

H. Use your linear model to predict the distance a car must be driven to have a remaining tires tread depth of 1 mm.