Find the surface area of the sphere with the given dimension. leave your answer in terms of pi
18. radius of 40 m (1 point)
6,400 pi m2
4,800 pi m2
3,200 pi m2
1,600 pi m2

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

5x−4≥12 or 12x+5≤−4 can you with this problem

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.