Using the equation y=2/3x-5, describe how to create a system of linear equations with an infinite number of solutions.

The price of a coat increased from $78 to $92. what is the price increase percentage?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15