Which sequences are arithmetic? 5, 1, -3, -7

2, 4, 8, 16

12, 15, 18, 21

0, 10, 100, 1000

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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?

1- how are translations represented as a function? . . 2- what is the relationship between a translation and a rigid motion? answer my grade depends on it! you so much