What is the difference between the most expensive item and least expensive item on the menu, including 6% tax and 15% tip, to the nearest cent? picture above

Do u just plot the numbers on the graph like (1,

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?