4(3 + c) = 12 + c
Determine if the equation is always ,sometimes , or never true

One integer is 8 times another. if the product is 72, then find the integers

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

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?