5. rory is playing a video game where each game lasts 13⁄4 hours. he wants to play for 9 hours today and this evening. how many games can he play?

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Collin did the work to see if 10 is a solution to the equation r/4=2.4

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55