-X²-4+7
=-X²+3
a=-1 b=0
X=-b/2a
X=0
If X=0, Y=3
So the Vertex is (0, 3).
That's your answer.
You need 16 tablespoons for 1 cup and 8 tablespoons for a half cup. Therefore you need to have 24 tablespoons of butter to make cake.
314,000,000/7100000000= .0442253521
So approximately 4% of the world population is in the U.S
Answer:97.8
Step-by-step explanation: