Leon wants to buy a shirt that costs $80. the sales tax is 5.5%. how much is the sales tax?

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?

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?