Solve the equation 5t=3-t

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?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?