All answers I remember:
1) 2.35
2) i) centre (-1,2) radius= root 5
ii) y = 2x + 9
3) Angle 54.3degrees and ii) 105degrees?
4) Binomial expansion, and part 2 with a P=810, Q=180, R=2?
5) ii) area between curves = 1/3
6) angles pi/4, 5pi/4, 5.18 and 2.03??
7) i) 1/2r^2(theta - sintheta)
ii) m = (2pi + sintheta - theta)/(theta - sintheta)??
8) i) x = -8.35
ii) x = 6