The data pairs (x,y) represent the average annual tuition y (in dollars) for public colleges in the United States x years after 2005. Use the linear regression feature on a graphing calculator to find an equation of the line of best fit. Round the value of the slope and the value of the y-intercept to the nearest hundredth. Then estimate the average annual tuition in 2020 to the nearest hundred dollars. (0, 11,386), (1, 11,731), (2, 11,848), (3, 12,375), (4, 12,804), (5, 13,297)