12/100 in simplest form

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?

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation