Answer:
Solution is in the following attachment.
Step-by-step explanation:
I believe the proper way to find the surface area of a sphere is 4 times 3.14 (which is Pi) times the radius squared. Or 4(3.14)*r^2.
Where I found 804.25
Answer:
63.6
Step-by-step explanation:

Answer: 21
Step-by-step explanation: f(-2) = 4· (-2)²-(-2) + 3 = 4·4 +2 +3
Answer:
It's literally called the maximum or max.