Mrs. bollo's second grade class of thirty students conducted a pet ownership survey. results of the survey
indicate that 8 students own a cat, 15 students own a dog, and 5 students own both a cat and a dog. how many
of the students surveyed own only a cat?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap