Please see pic, I'd solved in it.
D 288 1/3 = 96/288 3/4 = 216/288 5/32 = 45/288 8/9 = 256/288
1/3 times 96 3/4 times 72 5/32 times 9 8/9 times 32
Hope This Helped! :3
I think and hope it is $ 267 because a dozen is 12
Answer
it is the highest power combined that one expression has, in this case its 5u^8, thus the degree is 8
B. (2,20] is the correct answer