Hi guys! me, i was really confused. me, would be appreciated.

Which of the following parabolas opens down?

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z