Answer:
I think B is the answer ..........
To find the percent of the birdhouses occupied, divide the number of occupied birdhouses by how many birdhouses there are in total:

Convert this decimal into a percentage by multiplying by 100:
5.26% of the birdhouses are occupied.
Answer:

Step-by-step explanation:
The formula of a volume of a cylinder:

The formula of a volume of a cone:

r - radius, H - height
We have in
cylinder:
r = 4ft : 2 = 2ft, H = 8.5ft
cone:
r = 4ft : 2 = 2ft, H = 13 ft - 8.5ft
The volume of the silo:

Substitute:
