4). A coin is tossed and a number cube is rolled. Find the probability, p(heads and 7)

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?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.