I am doing homework and I need help NO LINKS PLEASE

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?

Match each function with its rate of growth or decay

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x