Find the discriminant and determine the number of real roots for each equation. Show steps. -3p^2 - 2p = 0

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

The verbal translation for the difference of m and 7 increased by 15

The quadratic function h(t)=-16.1t^2+150 choose the graph representation