Coming there

I am coming to Point-noire in the beginning of next month. I got a job there and accommodation will be provided by company. I can not speak and understand French. Please tell me what to do in the following situations if not able to speak french.

1) Taxi from airport to residenece ( how much fare and in which, how to tell address where to go, if driver does not know english)
2) Restaurant having halal stuff, particularly arabic, indian, pakistan, bangladesh etc.
3) Currency exchange. (unable to have congo currency in London)
4) I have samsung and nokia mobile, will it work there for local sims?
5) Internet speed, Is it possible to have video chat through skype.
6) activities for english speaking expat, any social gathering etc.
7) What about availablity of wheat floor, indian spices, etc.