Isabella wants to survey the lakeside landing community members to determine their favorite neighborhood amenity. She surveyed all 60 people at the pool on Sunday afternoon. What is the population? Is this survey biased or random? PLEASE HELP ME

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