Acylinder has a volume of 400 cubic feet. if the height of the cylinder is 25 feet, what is the radius of the cylinder? use 3.14 for pi and round to the nearest hundredth

Can someone me and plz do the problem

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?