How many months does it take for $500 to double at simple interest of 17%

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers