There are 7 red, 6 yellow, 7 green, and 2 black marbles in a bag. What is the probability that Javon randomly selects a yellow marble and then a green marble. Javon does NOT replace the first marble before he picks the second marble.

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?