Name the kind or kinds of symmetry the following figure has: point, line, plane, or none. (Select all that apply.) (B)
point
plane
line
none

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?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).