There are 12 marbles in a bag, and the marbles are either yellow or green. two marbles will be randomly picked from the bag, without replacing the first one picked. how many yellow marbles are in the bag given that the probability that both marbles will be yellow is
5
33
?

Given this information, which expression must represent the value of b?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]