Find the Value of expression ( screenshot below)

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?