What is the maximum vertical distance between the line y = x + 6 and the parabola y = x^2 for −2 ≤ x ≤ 3?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50