Mrs. baker paid $2.50 for 5 pounds of bannanas write an equation relating the cost c to the number of pounds p of bannanas . how much would mrs. baker pay for 8 pounds of bannanas

What signals you that factoring by grouping is the best method to use when factoring a problem?

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?

Which expression is the factorization of x^2+10+21