Which equation has a graph that is a parabola with a vertex at (-2, 0)?
0 y=-2x18
y = (x + 2)2
y = (x - 2)2
0 y=x2-2

Anyone know? will mark brainliest if correct!

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 this problem! extra ! 3025/5.5 = a/90.75 / = fraction