Henry spent $31.50 on 3.5 pounds of cookies. how much would it cost him to purchase 5 pound of cookies at the same price?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Factor the expression using gcf 9b+45

Joline is solving the equation 0=x^2-5x-4 using the quadratic formula which value is the negative real number solution to her quadratic equation round to the nearest tenth if necessary