As shown in the diagram, a ship sails 16 nautical miles east from a harbor. it then sails 18 nautical miles in the direction of n 55° e. how far is it from the harbor to the nearest nautical mile?

a) 11 nautical miles
b) 24 nautical miles
c) 32 nautical miles
d) 36 nautical miles

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.