Hiro painted his room at a rate of 8 square meters per hour. after 3 hours of painting, he had 28 square meters left to paint. let a(t) denote the area to paint a (measured in square meters) as a function of time t (measured in hours). what is the functions formula? a(t)=?

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.