Which of the following is a conjugate for 7 + isquare root of 2?

1. − 7 + isquare root of 2
2. 7 − isquare root of 2

3. isquare root of 2 + 7

4. isquare root of 2 − 7

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