Which equation correctly shows how to determine the distance between the points (9, –2) and (6, 3) on a coordinate grid? d = StartRoot (6 minus 3) squared + (9 minus (negative 2)) squared EndRoot d = StartRoot (6 + 3) squared + (9 + (negative 2)) squared EndRoot d = StartRoot (6 minus 9) squared + (3 minus (negative 2)) squared EndRoot d = StartRoot (6 + 9) squared + (3 + (negative 2)) squared EndRoot

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

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?