The school wants to change the price per lunch on pizza day so that selling more than 40 lunches results in making a profit how do would this change the graph representing the profit? explain your reasoning

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Need plz been trying to do it for a long time and still haven’t succeeded

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?