\vec{RQ} + \vec{RS}

\vec{RQ} + \vec{QV}

\vec{PW} + \vec{WS}

(\vec{RQ} + \vec{RS}) + \vec{VU}

\vec{PW} - \vec{VP}

\vec{PW} + \vec{WR} + \vec{RQ}

Find |\vec{a} + \vec{b}|

Calculate the nagle between \vec{a} and \vec{a} + \vec{b}

|\vec{u}-\vec{v}|

find the angle between \vec{u}-\vec{v} relative to \vec{u}

find the unit vector in the direction of \vec{u}+\vec{v} by finding the angle it forms to \vec{u}.

|5\vec{u} + 2\vec{v}|