TRIG QUESTION: A pair of boats, the Hippocampus and the Valkyrie, in the Northwest Arm near Halifax can both see a buoy. The Hippocampus notes that the buoy is 25° east of north and the Valkyrie sees the buoy at 35° west of north. The boats are 550 m
apart and the Hippocampus sees that the Valkyrie is 75° east of north from it.
How far away is the buoy from each boat?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Place the following steps in order to complete the square and solve the quadratic equation,

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?