A teenager whose eyes are five feet above graund level is looking into a mirror on the
ground and can see the top of the building that is 30 feet away from the teenager.
The angle of elevation from the center of the mirror to the top of the building is 70º.
How tall is the building? How far away from the teenager's feet is the mirror?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

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.

Factor the polynomial. b^2 + 4b + 4