(a(i))[1]
Line $L$ is represented by $4y = x - 5$. Find the gradient of line $L$.
(a(ii))[1]
Find the coordinates of the point where line $L$ cuts the $y$-axis.
(b(i))[2]
Point $A$ has coordinates $(4,5)$ and point $B$ has coordinates $(-2,8)$. Find the length of line $AB$.
(b(ii))[3]
Find the equation of line $AB$. Express your answer in the form $y = mx + c$.