A set of cards are organized into four rows. The first row has 6 cards, the second row has 10 cards, the third row has 9 cards and the fourth row has 5 cards. A person is told to randomly choose one card. What is the probability the person will choose a card from the second row?

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