A wheat cracker is shaped like a triangle with a base of 50 millimeters and a height of 5.7 centimeters. What is the area in square centimeters

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

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?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?