Answer:
A: radius of the sphere
Step-by-step explanation:
The formula for surface area is A = 4πr^2
With r being the radius and A the surface area.
For volume it is
V= (4/3)πr^3
Answer:
-3
Step-by-step explanation:
5•-3=-15
4•-3=-12
-15+3=-12
840 is the answer
i hope i helped!