Tammy calls her grandmother every saturday night there are two phone company she can use telcom charges $.12 per minute in united phone charges a flat fee of $.78 +9 cents for every minute there after how many minutes can tammy talk to her grandmother an bs charged the same amount by either phone company

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?

Find the inverse of the given function. f(x)= -1/2sqr x+3, x greater than or equal to -3

Ugh! ! im begging you im failing math i need ! which is the best representation of a nonlinear association?