The coordinates $(N,E)$ of point A are $3100\mathrm{.}0,3600\mathrm{.}0$ and of point $B$ are $2,414\mathrm{.}5,4,008\mathrm{.}6.$

a$)$ What is the distance from $A$ to $B?$

b$)$ What is the azimuth from $A$ to $B?$