Find x please

May I please receive help?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

In which form is the following function written? y = - 2(x – 3)(x + 5)

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