Becky owes $250 on her credit card. she pays off $120 but then uses the card to purchase $50 worth of art supplies for her students. how much money does becky have now?

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)