noob question
 

What are rear left and right flex hoses. I need them to pass safety

can sumone post a pic

wtf? maybe caliper brake lines?

Yup, they're referring to your brake flex lines. If they show any signs of damage/cracking/leaking/dryness they fail safety.

This is a front line
Attachment 1210
Fail

And a poor quality pic of the rear
Attachment 1212

how much are these parts roughly.

You made a thread for this, search online, you can find something in less then 1 minutes on what they are.