X-6/2=2x/7 solve the equation

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?

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Find the zeros of each function. f(x) = x^2 + 5x - 6