What does a non linear represented on a graph looks like

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.