(100 POINTS WILL BE GIVEN!!) Thomas recorded the weight, in pounds, of several baby chimpanzees of different ages for his science experiment. He made a scatterplot of the data as shown in the figure below. Given that the points (2, 9) and (5, 12) are on the line of best fit, what is the slope-intercept equation for this line of best fit?
![100 POINTS WILL BE GIVEN Thomas recorded the weight in pounds of several baby chimpanzees of different ages for his science experiment He made a scatterplot of class=](https://us-static.z-dn.net/files/daa/1e0aa97d2aa1ea9a500e3ef290947117.png)