What is the improper fraction of 17/2

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

He concluded that a heavier object dropped from the same height as a lighter object will land

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