What is the thickness of a sheet of paper

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?