How many axes of symmetry can you find for a hexagon( six sided figure)

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5