Any sort of help is nice!

Which expression gives you the distance between the points (5,1)and(9,-6)

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.