Part a: use the data shown in the table and scatter plot to create an approximate equation for the line of best fit. part b: in complete sentences, describe the show pony's weight gain in terms of the units used in the data. part c: according to the equation for the best fit line for the data, approximately how much weight would you expect the pony to gain in a week if its additional daily caloric intake for that week is 2,300 calories?