Choose the definition for the function

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?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

Need showing work for this problem 56.25 ×25.80