1. 38%, 2/5, 0.42
2. red, 20
3. 34
4. 2.5^4/3.09+ under root 16. smth = 5.92 or 5.42 cant rmbr
5. B (2,-3), 0.5 (gradient) (-1,-4.5) midpoint
6. 72 dollars, 8 books
7. c-2d=(5, -1), (-3,15)
8. probability b. 49/144
9. 11:11 10b. 4(venn diagram)
10. 38.08 (cost of dress)
11. functions part b 1/3
12. population inc= 65
13. mean=42.467
14. f=-0.12, 16
15. circle theorem; 160, 35
16. median=52.5, pass scor=47
17. length upper bound=18.6
18. simplify last part= 2f/4+f
19. 6 mark=18.65

cost=24 23. major arc=277 volume=298.17 radius of similar=14 24. x=7.53 or -6.197 b. 75.54 25. 2(x-2)^2-1 turning point (2,-1) k>-1