Determine if the given equation is a function

x^2=2xy-1

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?