In a relation, the input values can also be referred to as the ?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

If the value of cos330°is√3/2 then find cos 165°.

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.