An arts academy requires there to be 5 teachers for every 120 students and 6 tutors for every 54 students. How many students does the academy have per​ teacher? Per​ tutor? How many tutors does the academy need if it has 72 students​?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?