A ship sails due east for 50km then turns and sails due north for 70km. How far is it now from where it started?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

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Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.