PR if multiple domain point to same website

Marketing
1

Hi, if i have multiple domain point to one website, will it affect google PR for my site? Thanks

2

Yes your site PR will distribute withe all the site that are pointed to your site

3

Yes of course it will effect to your site because PR depends on many factors and the sites where we promote or list our site Google check these sites as well.

4

I think Yes. It also depends that how you use that domains.