Which equation has a graph that is a parabola with a vertex at (–2, 0)?y = –2x2y = (x + 2)2y = (x – 2)2y = x2 – 2

astronomers such as edwin hubble.

where are the choice options?

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.