Can you solve them with points to plot thank you

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?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?