If a student has a grade point average of 3.5, what does the least-squares line predict for the score on the Graduate Record Exam?

A graduate school committee is studying the relationship between x = undergraduate grade point average (GPA) and y = the score on the Graduate Record Exam (GRE) for a random sample of applicants.

If a student has a grade point average of 3.5, what does the least-squares line predict for the score on the Graduate Record Exam?