Line A (y = 2x + 4) is transformed into Line B (y = x - 9). Which best describes the new slope and y-intercept?

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Me. i can't figure out this question. give an explanation too. .