Find the least common multiple of the following polynomials: 5y2 -80 and y + 4.

Classify each polynomial by its degree and by its number of terms.

Astudent simplified a rational expression as shown.

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?