Ray ate 3 pieces of pizza. this represents 25% of the whole pizza. how many pieces of pizza did the whole pizza originally have

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

1: 4 if the wew 35 surfboards at the beach how many were short boards?