What is the cost, in dollars, for 1 ounce of pasta? Round your answer to the nearest cent.

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

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

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab