This document discusses permutations and combinations and asks what questions the reader has about the topic. It then shows some pictures and asks about vehicle license plates in New South Wales, Australia, providing some website links for more information on Australian license plates. The document finally discusses global warming and emissions and asks about potential impacts.

1. Permutations and
Combinations
Syllabus 18.1

2. What questions do you
have ?
• Look at the following pictures.

7. What about NSW?
Australia?
• http://www.myplates.com.au/
• http://en.wikipedia.org/wiki/
Vehicle_registration_plates_of_Australia
• Some interesting data http://www.abs.gov.au/
ausstats/abs@.nsf/mf/9309.0

8. Impacts?
• Global warming....
• emissions
• other