The graph of which function has an axis of symmetry at x = 3?
f(x) = x2 + 3x +1
f(x) = x2 -3x - 3
f(x) = x2 + 6x + 3
f(x) = x2 - 6x - 1

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Through non-collinear points there is exactly one plane.