4tomatoes cost 3.4 what is the unit rate

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes