Answer:
The correct answer should be D.
Step-by-step explanation:
So, it went down from 28 to 7, meaning 28 - 7 = 21, 21 feet then.
now, if we take 28 to be the 100%, what is 21 off of it in percentage?
Answer:

Step-by-step explanation:

By definition, the geometric mean of n numbers is the n-th root of the product of the numbers.
We are given two numbers: 21 and 54.
Their product is 21*54 = 1134
Because we have two numbers, their geometric mean is
√(1134) = 33.675
Answer: 33.675
Answer: 50%
Step-by-step explanation:
75:150*100 =
(75*100):150 =
7500:150 = 50