Terry went on a 28-mile hike. On the first day he traveled 14 miles. What percent of the total distance did he hike?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

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?