What is the simplest form of this expression?
2y^2(-6y + 3) + 4y^3

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Triangle knm is what is true about the sides of knm

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of