The enrollment at East Valley High School over a six-year period is displayed in the scatterplot. Student Enrollment at East Valley High School On a graph, the x-axis is labeled year and the y-axis is labeled students. Points (2009, 1,330) and (2013, 1,492) are plotted.
Which is the equation of the line of best-fit for this scatterplot?
* y= -81/2 x + 165,389/2
*y= -2/81 x + 111,748/81
*y= 2/81 x + 103,712/81
*y= 81/2 x + 160,069/2