I'm not 100% sure what this all means because I'm in a different school but, I believe they have a side length of 4600.
P.S. If it doesn't work, I am so sorry
It does not matter what order it is in when using addition.
D and e would be the answer
Answer: option a. accurate.
That the data fit closely a model means that the model permits both to reproduce actual data and to predict values with a good accuracy.