A bag contains 7 blue, 4 yellow, and 9 purple marbles. What is the probability of P(not blue) written as a fraction?

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?

Write the rational number in lowest terms 99/-15

Biggest exam of the which of the following are polynomial functions?