Evaluate a^0b^-2 for a=-2 and b=-3

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?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Find solution of the linear equation y = 2/3x + 1/3