Arectangular pyramid is sliced so the cross section is perpendicular to its base and passes through its vertex. what is the shape of the cross section? square triangle trapezoid rectangle

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236