(a)[1]
Draw Pattern $4$ as shown.
(b)[2]
Complete the table for Pattern $4$ together with Pattern $5$.
(c)[1]
The expression for the number of crosses in Pattern $n$ is $2n+2$. Find how many crosses are in Pattern $35$.
(d)[2]
Find an expression, in terms of $n$, for how many circles are in Pattern $n$.