88 points anda new pizza restaurant uses paid advertisement to increase pizza sales on mondays. the table below is a record of the restaurant’s sales each monday for the first quarter (13 weeks) of the paid advertisement. week total sales 1 $315 2 $376 3 $280 4 $465 5 $399 6 $376 7 $400 8 $422 9 $525 10 $700 11 $410 12 $550 13 $590 part a: create a scatter plot to represent the data in the table. then, draw the line of best fit, going through the points representing weeks 5 and 13. be sure to label each axis, as well as to include the proper titles for the scatter plot. part b: use the total sales for weeks 5 and 13 to write an equation for the line of best fit. in your final answer, include all of your calculations. part c: in terms of the slope of the equation for the lines of best, fit explain whether or not you think the paid advertisement is responsible for the restaurant's increase or decrease in pizza sales during the first quarter. use complete senteneces in your answer. part d: assuming that the pizza restaurant wishes to continue the paid advertisement for an additional quater, use the equation for the line of best fit to predict the restaurant's sales for the monday of the 20th week.