Given the following measurements calculate the minimum and possible areas of the object. the length and width of a book cover are 21.5 centimeters and 11 centimeters, respectively. the minimum possible area is about blank cm squared. the maximum possible area is about blank cm squared.
can someone i’m so confused

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

What is the slope of the line shown below?

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