Which is perfectly true, if you make a specific assumption, viz. that the hynea in question is a member of the largest, most powerful, and best-known species, the spotted hyena. read more
How will it play depends, but will most certainly result in Rottweiler being the food for hyena. Hyena’s are known to have twice the jaw power of Lions and almost 4–5 times that of Rottweilers. Similarly they can run much faster than Rottweiler, so dog running away is also out of question. read more
Hyena will surely win in a fight with a wolf. Although a wolf is much bigger, the jawbones of hyenas are very strong. A single bite from the hyena can crush the head of the wolf easily. read more