Factor 1. x2-y2 2.x2-121y2
3.25x2-144 ​

Which statement justifies why angle ebc measures 90?

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?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab