1. A teacher is organizing a seating plan for the students in the first row. The first row has either 7 seats or 8 seats

[answerhappygod]

1. A teacher is organizing a seating plan for the students in
the first row. The first row has either 7 seats or 8 seats,
depending on how the desks are positioned. Determine the number of
seating arrangements the teacher has.
2. Tim and Tom are both members of the school's 10 person
cross-country team. The team is told to line up in order to
receive their medals. How many different ways can they line
up, if Tim and Tom must stand next to each other?
3. A license plate in a certain county consists of 3
letters followed by 4 single digits. How many different
license plates are possible, if the first letter cannot be an
'A'