Answer:
#2 is the closest to the actual roots.
Step-by-step explanation:

is not a root, but 0.68078 is.
The other roots are -0.24572 and 4.9816. The closest option is #2.
Answer:
it is od 4m- 3
Step-by-step explanation:
Step-by-step explanation:
use formula
volume of cone =1/3 πr²h