Answer:
The volume of the cone is 
Step-by-step explanation:
The given cone has a radius of 10 cm and and height of 9 cm.
The volume of a cone is given by:

We substitute r=10 and h=9 ,
to obtain:

Simplify exponents to get:

Simplify:

Therefore the volume of the cone is 
Its like ones true then ones false it goes in that pattern
Answer:
Not totally sure if i'm reading the question right buuuut;
the answer is (I think) a poplar would reach 40 feet high in 5 years, while the red maple would reach the goal in 8.
Step-by-step explanation:
using division, 40/8 = 5 years
40/ 5 = 8 years.
like I said, not positive I read the question correctly but I hope this helps xx have a nice day :)