Determine triangle type?

Answer this question! 30 points and brainliest! only if you know the answer.

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)