Beth records the height of a plant for 8 weeks and creates a scatter plot of the data. What is the equation of the line of best fit? What will the plant’s height be in 20 weeks?
A: the equation is y=2x+5, and the height is 40 inches
B: the equation is y= -2x+5 and the height is 35 inches
C: y=2x and the height is 40 inches
D: y=2x and the height is 35 inches