I need help with this

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?

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1