Theres a picture of the question

For what values of b will f(x)= logbx be a decreasing function? (16 )

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?

John bought 2 horses at rs 20000 each