step by step explanations.

7. Given this scatter graph: 63E! 3 a Sign Legibility Distance (feet) a D B c: isasssasssssrsas DrNerAgetyears) a. Draw an estimate of the best t line. b. Estimate the y-intercept from this line. c. Estimate the rate of change (slope). Use the slope formula and write your answer as a fraction. Pick points on the graph. d. Given y-interoept and the slope, what is the estimated equation of the line? e. If a driver is 60 years old what is her sign legibility distance in feet? Explain