"You and your team ARE" is correct.
is the phrase Helen's team correct
Both MAY be correct, according to context. For example, as the object of a verb or a preposition, only "me and my team" is correct: " You saw me and my team win the game," or "The community provided support for me and my team." But as the subject of a verb, only "my team and I" is correct: "My team and I won the game."
his team.
Team Member of Winning Team
The team of professionals are experienced.
A team of girls is ("of girls" is a modifier, a team is the subject and that is singular)
The questions and issues the team are experiencing.
yes that is the correct spelling
Team management is his strength
You were - This is correct. You were the best in the team.
yes