Katy measured a mini-candy bar in the shape of a rectangular prism. it was 5 mm tall, 40 mm long, and 20 mm wide. then she stacked 2 of the mini-candy bars on top of each other. what is the volume of the 2 stacked candy bars?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?