The number of marbles of different colors stored in a hat is listed below:
1 red marble
8 green marbles
9 blue marbles
without looking in the hat, ray takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that ray takes out a blue marble in both draws?

What is the measure of angle tvu shown in the diagram below

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.