Materials that are not written are often called unwritten resources
I believe the answer is A. Roy does not abide by her warnings
Hope that helps you
0.10. Two decimal places in is 0.09 but you have to round. Next to the 9 is a 7 and if it's 5 or above we round up so 0.09 becomes 0.10 :)Hope this helps, if not feel free to ask questions