I only need the last question answered the formula is y=1.56x+1.29

Which of the following points is collinear with (-2,1) and (0,3)

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r