Write the sum using summation notation, assuming the suggested pattern continues. -9 - 3 + 3 + 9 + + 81

Find two rational expressions that have the difference of 2-n/n-4

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?

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1