not sure really what the question is asking but dividing both sides of the equation by "t" is:


Answer:
(0,-2)
maximum
Step-by-step explanation:
-x∧2-2 = -1 (x∧2) -2
so the vertex should be (0,-2)
As it is negative for the x∧2, so the graph opens downwards. So, the vertex is a maximum.
I think the answer is
B. ) 4/5 of the balls in the bag are red.