A) What are the key aspects of any parabola? What do the key aspects tell you about the graph

Vertex of parabola

Step-by-step explanation:

The red dot shows the extreme of parabola that is known as vertex.

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!

1/4 because there is 4 grades.