Answer:
Mikhail is 42 years old
Step-by-step explanation:
The formula for surface area of a sphere: A = 4 pi r^2.
Since the radius is 30 m then A = 4pi30^2.
30^2 x 4 =3600
A=3600pi m
Answer:
-8x^2+26x-21
Step-by-step explanation:
The answer is
8/4
7/5
4/3
7/10
Answer:
Step-by-step explanation: