Answer: 4r^2
Step-by-step explanation:
Answer: 864
The formula is 4/3 pie radius ^3 but since it says 3 just use three. Now the radius is 6. So you do 4/3 times 3 times 6^3 and you get 864. I hope this helps.
Answer:a.100+(hx25)
b.120+(hx20)
c.4 hours
h=hours
Answer: 17 easy how could you not get it but yea thats that