? Question Complete the sentences by choosing the answer that best matches what we've seen is true in algebra.
Algebra is based on
Solutions to problems
Procedures

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?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Point s lies between points r and t on . if rt is 10 centimeters long, what is st? 2 centimeters 4 centimeters 6 centimeters 8 centimeters