I^5 + i^6 + i^7 + i^8
i^11 + i^15
i^26
therefore your answer is:
i^26
Convert both to either yards or inches and you can just add the numbers. B is the right answer.
Mono means one..but monomial can also a negative. Mono meaning one means there is a single variable.
If you take the 6 and subtract it by 2 you will get 4