Factor 65x^2+212x-133 completely

Of four points are collinear, they are also coplanar

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?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?