The graph shows the amount of money Liana earns per hour working as a hostess at a restaurant. (Part A) What is the slope of the line? (Part B) What does the slope mean in context of the situation? (Part C) How long will it take Liana to make $84? (Part D) A new hire at the restaurant, Jasmine, earns $69 after working 6 hours, who makes more per hour?