1. (2,-5)
2. (-5,-2)
3. (-2,5)
4. (2,5)
5. (5,-2)
6. (-2,-5)
7. (5,2)
8. (-5,2)
Each 90° clockwise turn takes a point (x,y) and transforms it to (y,-x). For a 180° turn you would do this process twice in a row; for a 270° turn, three times in a row.
You are correct! 25% is equal to 1/4 or 0.25, not 2 1/2 and/or 2.5
About 50 students chose that soccer was their favorite sports. Hope it help!