Explau why 3.14 us rational but pi is not

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 area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.