Ubehebe crater in death vally has a diameter of a little more than 1/2 mile. if latisha walks around its rim at a rate of 2 miles per hour, about how long will it take her to walk all the way around the crater. find your answer to the nearest tenth. use 3.14 for pi

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.