Step-by-step explanation:
the first option is the correct answer.
The height would be 3 feet because it would be just tall enough to be waist level
You subtract 2.3 million from 4.1 million and you get your answer of 1.8 million
3/5 times 3/5 times 3/5 times 3/5 is the area. all sides are the same on a square
The answer is (B&C) hope it helps and have a great day!