(a)[1]
Shade the region $A' \cap B \cap C$.
(b(i))[3]
$\xi = \{A, C, E, G, H, J, N, R, T, Z\}$. $W = \{x : x$ has rotational symmetry of order $2\}$. $X = \{x : x$ has line symmetry$\}$. $Y = \{R, A, N, G, E\}$. Complete the Venn diagram.
(b(ii))[1]
Write down the elements of $X \cap (W \cup Y)'.$
(b(iii))[1]
Find the value of $n((W \cup X \cup Y)')$.
(b(iv))[1]
Using set notation, complete this statement. $\;\;\;\; = \varnothing$.