What is the inverse function of number 20 and how do you get the inverse?

I’m which figure is point g an orthocenter

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

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