Please help mee!! :) answer every question please

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis. how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?