We Laugh Cause That Is What We Do

I wanted to edit the bottom post but i cant.

Anyway, for maths :
Textbook Exercise 4.4b,4.5 (pg 98,99,103)
4.4b - 1(a,b) , 2(b,c) , 4(a,c)
4.5 - 4(a) , 5(a,b)

I've done it but i lazy post answers up. LOL.

Adrian. Cheers! =D