A building is 750 feet high. suppose that a wire is attached to the top of the building and pulled tight. it is attached to the ground 250 feet from the base of the buIdling. how long is the wire?

Among the most famous of all meteor showers are the perseids, which occur each year in early august. in some areas the frequency of visible perseids can be as high as 40 per hour. given that such sightings are poisson events, calculate the probability that an observer who has just seen a meteor will have to wait at least five minutes before seeing another.