Bonjour j'ai besoin d'aide svpp ​

you can only change it if your real name or personal information was in it. and if so you would need to contact them directly with a username change request.

the answer is b. executive summary. a management summary, or executive summary, is a short article or section of a document, produced for business purposes, that condenses a longer report or proposal or a group of related reports in such a way that readers can rapidly become familiar with a large body of material without having to read it all.