(a)[1]
Write down the coordinates for $A$.
(b)[3]
Find the equation of line $l$ in the form $y = mx + c$.
(c)[2]
Write down the equation of the line parallel to line $l$ that goes through point $B$.
(d(i))[3]
Write down the equation of the line perpendicular to line $l$ that passes through point $C$.
(d(ii))[3]
Calculate the length of $AC$.
(d(iii))[2]
Find the coordinates of the midpoint of $BC$.