By rename do you mean turn into an improper fraction?
if so, it is because without turning it into an improper fraction, you cannot subtract 3/4 from 1/4 because you would get a negative answer and that would be incorrect
Answer: 9-0-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-
Explanation:
The honorifics of Japanese language expresses social status.
The answer would be D.
As for The other options, it cannot be A because there is no way we could know if they are exactly similar. B states they are dramatically different when there is obviously some similarity. C states that they are from the same time period, which is impossible as there is no way a layer of sedimentary rock can be the same age as current day mud. There are likely many layers above the studied area that can denote the age.
