What method would you use to prove that segment XY is half the length of segment UW? A. Use the midpoint formula to show the X is the midpoint of segment UV and why is the midpoint of WV

B. Use the distance formula to show that the length of segment UW is equal to twice the length of segment XY

C. Use the slope formula to show that segment XY is parallel to segment UW

D. None of the above

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

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?

The base of a rectangular pyramid is 13 inches long and 12 inches wide. the height of the pyramid is 8 inches. what is the volume of the pyramid