(a(i))[1]
Work out $x$.
(a(ii))[1]
Work out $y$.
(b)[3]
Work out the value of $w$. Give reasons for your answer.
(c)[2]
Use trigonometry to find the value of $p$.
(d(i))[2]
Show that the distance between $A$ and $B$ is 375 km.
(d(ii))[4]
Work out the arrival time at $B$.