1. x = 8, y = 2 2. x = - 1/3, y = 5 3.m = 8, n = 3 4. RM 24 5. 680.17 cm3 6. 276 2/3 cm3 or 276.67cm3 7. 1574 cm3 8. CD = 10cm 9.(a) 69cm 9.(b) 269 1/2 cm2 or 269.5 cm2 10.(a) 61.43cm 10.(b)216.07 cm2 11.(a) 101 1/3 cm or 101.33 cm 11.(b) 436 1/3 cm2 or 101.33 cm2 12.(a) 210.57 cm2 12.(b) 66.00 cm