Midtown Independent School is making plans to move to a new building to meet the increasing number of students in its middle school. The school's enrollment over the last several years is shown on the scatter plot below. The line of best fit has been drawn for you. (1st pic) A) Choose the equation for the line of best fit.
a. y = 300x b. y = 2x + 300 c. y = 30x + 300 d. y = 2x + 5

B) The school must move to a new building once enrollment is more than 690 students. If the enrollment continues to increase at the current rate, what year must the new building be ready?