1. write an approximate equation of the line of best fit in slope-intercept form.2. use the equation from part b to predict the resting heart rate of a person who exercises 30 minutes per day. show your work.3. explain how you found your answer to part c.

Arepresentative from plan 1 wants to use the graph below to sell health plans for his company. how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans? the scale on the y-axis could be changed to 0–100. the scale on the y-axis could be changed to 25–40. the interval of the y-axis could be changed to count by 5s. the interval of the y-axis could be changed to count by 20s.