Answer:
The surface area of the structure is 
Step-by-step explanation:
we know that
The surface area of a sphere is equal to

In this problem we have
-----The radius is half the diameter
substitute


The eight pound bag of dog food is better.
14-8=6 or 14-6=8 are related subtraction facts
1. how much to tip
2. how much interest is needed for a loan
3. figuring out how much sales tax