Twice as old as" means we will be multiplying by 2. "her cousin" - we need a new variable C to represent her cousin's age. "was three years ago" - 3 years ago means we will have to subtract 3.
I think it would be A I'm 80 percent sure
There is nothing to divide
The eating disorder of this is most likely anorexia nervous
Erosion is caused by ice because of the freeze thaw weathering. It s naturally caused by water, wind, or gravity.
