Auf Wiedersehen is the most accepted and formal translation. Bye, which is a informal, would translate to Tschuss.
Hope it helped,
BioTeacher101
A best completes the sentence
"How big is she?"
I can try to answer this question for you, but you might want to add a picture. :)
Answer: gehe
Explanation: Ich gehe durch den Wald wandere = I go hiking through the forest
