pls, this the only question I'm stuck on

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625

Aflagpole broke in a storm. 77 7 meters are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground at a point 2424 24 meters away horizontally

A43 degree angle can be classified as which angle type ?