Which statement is true? A) A circle has only three lines of symmetry.
B) An equilateral triangle has only three lines of symmetry.
C) A rectangular has only three lines of symmetry.
D) A square has only three lines of symmetry.

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

Someone answer this check out the image!

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?