Annie is planning on buying a gym membership. There is a flat fee of $50 and the membership costs $10 per month. Part A: Write an equation to represent the total cost, y, in dollars of an annual gym membership where x is the number of months.

Part B: How much would Annie pay if she went to the gym for 7 months?

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.