find the equation of the tangent to the curve y=x²-2x-3 at the points where the line y = 5 cuts the parabola​

The oates family went out for dinner the price of the meal was $33.95 the sales tax was 7.25% of the price of the meal . the tip was 15% of the meal and the sales tax . how much money did the oates family pay for the meal, including tax and tip