Which function is shown in the table? (see image)

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

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

What is the lcm of 16 and 40 ? 24 and 40 ?