Solve using elimination.
-4x + 5y = -6
-4x + 3y = -2

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?