You have to first make like terms

**you want the denominator to be 21
You dont have a picture so idk the answer but its most likely E if thats an answer choice.
If you could show a photo I could answer the question
Answer:
1 Cubic yard is equal to 27 cubic feet. To convert cubic yards to cubic feet, multiply the cubic yard value by 27. For example, to convert 2 cubic yards to cubic feet, multiply 2 by 27, that makes 54 cu ft is 2 cu yd.
I believe the correct answer from the choices listed above is option C. A balance brought forward would be the amount of money you have from the previous statement period. It is the p<span>revious </span>balance<span> on an account which is carried over to the next billing period. Hope this answers the question.</span>