If line ef is equal to x + 9, line fg is equal to 14 + x, line gh is equal to x + 3, line fh is equal to 12 and if line eh is equal to 26 + x, find line eg

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

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.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?