Lines bc and ef meet at a. rays ag and ad form a right angle. set up and solve an equation to find the values of x and w

Find the cosine function that is represented in the graph.

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?