For the following set of temperature record during 7 days in Hartford. Find the mean ? 51 degree , 53 degree , 64 degree, 49 degree, 64 degree,54 degree, 50 degree 

Find the domain of the following expression: 1/(√x)-2

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.

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.