21 select more than one theres at least 3 i assume from the last one i did (but got wrong)

How to determine whether two known pairs of points are on the same line.

Can someone me i’m confused. will give brainliest and a whole bunch of points

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?