A 20-foot long ladder leans against a building and must just reach a window that is 8 feet off of the level ground. The ladder will be unstable if its base is more than 15 feet from the bottom of the building. Will this ladder be unstable? Show how you arrived at your answer. *

Abilliard ball is struck by a cue. it travels 1 0 0 cm 100cm before ricocheting off a rail and traveling another 1 2 0 cm 120cm into a corner pocket. the angle between the path as the ball approaches the rail and the path after it strikes the rail is 4 5 ∘ 45 ∘ . how far is the corner pocket from where the cue initially struck the ball? do not round during your calculations. round your final answer to the nearest centimeter.