The solution to 3x-7=14 is also a solution of which of the following equations? a. 2x+12=28 b. 5x-6=44 c. 3x-9=18 d. 4x-12=26

Solve the triangle. a = 21°, c = 105°, c = 5

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?

Solve the formula ax+ by = c for x.