252
3.
2
According to the lady that answered the phone for Guest Services at American Airlines Center, most rows have 18 seats in them.
8 seats 4 rows 2 on each seat
the rows are lettered and the seats or numbered. but each section is the same thing.
42 seats
I believe there are 85 rows. There might be a few more, but I know there's not any less.
26 (as per customer service at the Izod Center).
aisles
30 in an all economy layout with the max number of seats, otherwise it depends on the airline
If there are 4 rows of seats for 20 students, then each row must have 5 seats.20 students can fill 5 seats in (20 x 19 x 18 x 17 x 16) = 1,860,480 different ways.