PTC University LEARN Questions

I am taking the Creo: Fundamentals of Assembly course and my assembly for exercise 3 won't generate because I think I'm missing some parts to it. How do I complete the exercise if I am missing the shaft part? I checked the folders and tried looking for it and couldn't find anything.

Is this a common problem< i go into working directory, go down to exercise 1 and there is no file to open.

on exercise 2 edit definition in creo fundamentals of modeling, what is "side 1" and "side 2"? I dont see them in the model tree.

Hello, this is my first time using PTC. I was instructed to do a self guided class and I was wondering where do you go to open a task as shown in the student guide as it is telling me to do in Task 1? Please let me know. 

Hello: For the self-pace learning in Creo Parametric, the videos included in the student manual have sound?   RegardsLourdes Coll

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