Questions on Oliver Lehmann 175

 Hi,

I would really appreciate further clarifications on Oliver Lehmann's following questions: 29,32,85,86,91,94,130 and 157. 

Thanks in advance

The answer & explanations are on Oliver's site. For 1st & 2nd time scores, you can check https://www.pmbypm.com/oliver-lehmann-pmp-questions/