Solve the rest for me plz

What is the y-intercept of the line given by the equation

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?