Several students at a university were surveyed about how they
registered for classes; the results are shown in the table. Find
the probability that a randomly selected student is either an
undergraduate or registered online.
Registered Online Registered In Person
211
347
Undergraduate
Graduate
329
581

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet