What is the equation of a line, in general form, with a slope of -2 and a y-intercept of 8? 2 x + y - 8 = 0
x + 2 y - 8 = 0
2 x - y + 8 = 0

What is the result of the following division?

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?

Vertical angles must check all that apply