Which set of values is a function ¿ 1. (9,5) (10,5) (9,-5) (10,-5)
2. (3,4) (4,-3) (7,4) (3,8)
3. (6,-5) (7,-3) (8, -1) (9, 1)
4. (2, -2) (5,9) (5, -7) (1, 4)

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