Fast i really don't understad this i need its so frustrating

What is a graph with a never ending line called?

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

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here