Answer:
168
Step-by-step explanatio16n:
V = lw ·h/3
Circumference of a sphere: 2 * pi * r
8 / 2 = 4
r = 4
surface area of a sphere: 4 * pi * r^2
4 * pi * 4^2
4 * pi * 16
64pi
answer is c :)
Answer:
-13
Step-by-step explanation:
x+4=-9
-4 -4
x= -13
If you did 9+4 you'd get 13. But instead its negative because x is negative.