Answer: 
Step-by-step explanation:
Given
The volume of the pool is 
Depth of water is 
Suppose A is the base of the pool

This area can be written as

10.2 ft Ans.
We solve this using geometric series.
A1 = 12 ft
A2 = ?
A3 = 8.67ft
Now, for geomteric progression,


A2 = 10.2 ft
Answer:
Yes.
Step-by-step explanation:
They are both divisible by 21.
Answer:
3rd one
Step-by-step explanation:
(w +2) +(w +2) + (w )+ (w) = 4w+4
Help you do what the is no question