Is 2.22 a irrational or a rational number

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

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?

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !