A 2m tall man standing on the top of a building 18 m high observes the elevation of the top of tower 60m high and finds it 60°. Find the distance between the building and tower.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Tim earns $120 plus $30 for each lawn he mows.write an iniqualityvto represent how many lawns he needs to mow to make more than $310

What is the angle measure, or angle of depression, between this bird and the bird watcher?