No. It would be better to say:
every week on Friday
the Friday of every week
the week beginning every Friday
Yes, it is correct to say "Friday's 3-5pm is fine for me" to communicate that the suggested time on Friday works for you.
No, this needs to be worded differently. Since Friday before Monday of the following week is the same as Friday of this week, one could say, "Send in your reports this Friday" or "Send in your reports Friday of this week." If the intent is to mean Friday of next week, and not the current week, one could say, "Send in your reports Friday of next week. Using a date as well as the day of the week would make it clearest: "Send in your reports Friday, December 17." It is interesting to note that even native speakers of English are often confused about what "this Friday" or "next Friday" mean, so it is best to supply enough information that the intended Friday is absolutely clear.
Yes, that is a correct sentence: subject = tomorrow verb = is direct object = Friday
Yes, the possessive form of the noun week is the correct form for 'the end of the week' (the week's end).
No. We say Monday to Friday.
Yes that is correct.
The Muslims pray five times each day. It is obligatory. They offer a special prayer on Friday every week. So, you may say that Friday is a special day for the Muslims as Saturday is for the Jews and Sunday is for the Christians.
yes
Friday!
Both answers are correct
Yes, it is correct to say "I will be present during the meeting next week." This conveys your intention to attend the meeting and be physically there.
To say "Happy Friday" in French, you can say "Joyeux vendredi." Another common expression is "Bon vendredi." Both phrases convey a cheerful greeting for the end of the week.