A manuacturer of household items has total revenue given by the function R=17.5x and has total cost given by C=15x+300 where x is the number of items produced and sold. Use graphical methods to find the number of units at which the manufacturer wil break even for the product. The number of units that gives break even for the products is ?
(Simplify 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.