What set of numbers could be the side lengths of a right triangle ?

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?

Find the cosine function that is represented in the graph.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?