A scuba diver starts her dive at an elevation of 0 feet. If her elevation changes by −40 1/2 feet per minute, what will be her elevation after 3 minutes? Group of answer choices:
−121 1/2 feet

−118 1/2 feet

118 1/2 feet

121 1/2 feet

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.