Abigail and Beatrice started from Beatrice’s house and went on a road trip last summer. The chart below represents their time driving and their distance from school.                   Time driving(hours)- 1,4,6.            Distance from DSST (miles)-115,310,440   Part A) Write an equation to represent this linear relationship.        Part B) Using complete sentences, explain what the slope and the y-intercept represent in the equation you wrote in part A.