A monoment is made in the form of a right pyramid with a regular hexagon as a base. Each base side is 5 meters and the slant height is 30 meters. If only the sides and not the base of the monument is to be covered by metals how many square meters of metal are needed to cover the sides of the pyramid ?

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers. a) one of the 400 passengers is selected uniformly at random. let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem