Can I please have help with the answer?

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?

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Explain how you can show five less than a number using an algebraic expression