Answer:
D is the answer
Step-by-step explanation:
21/25, and since this fraction cannot be simplified, it is already in it's simplest form.
-3
Explanation - you add the 10 to both sides then get -12 and then you divide 4 to both sides and then get -3
A small box because you can buy 2 or more boxes for a less price
i hope this helped and if it didn’t.. sorry