Is (0,0) a solution to this system?
y y< x^2 + 2x+1

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices