There are 5 shelves in a bookcase that are 2 feet apart. The bottom shelf is 3 feet from the floor. The top of the bookcase is 2 feet above the top shelf. How tall is the bookcase?

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?