Solve it plz I need this answer

If m 17 27 90 63 ** picture is attached

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28