Please help me!! How do I do this?

Asap 25 pts + brainlest to right/best answer

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

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points