If the original price of something is $18 and the percent of discount is 65% what is the sale price? $5.40

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

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?

What is the point slope form of a line with slope -5 that contains point (2,-1)