How many groups of 1/2 are in 7

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Which situation is an example of an observational study?

Plz , will award brainliest find an equation for the line that goes through the points (5,-8) and (13,4)