What is the equation of a line that passes through (7, 8) and has a slope of -3?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

If the discriminant if a quadratic equation is 4 which statement describes the roots?