Write an expression that is equivalent to 8(2y + 4) that can be simplified

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2