the diagonal of an equilateral traingle measures 21. what is the length of the sufe of the equilateral triangle

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 matches the graph shown ?

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120