Answer
a). $-9x+6y$ cm
b). $33.82^{\circ}$
Work Step by Step
The queen was moved $2\times3=6cms$ to the front
and $3\times3=9cms$ to the left.
a). Queen's net displacement = $-9x+6y$ cm
b). relative to leftward direction, $\theta=tan^{-1}\frac{6}{9}=33.82^{\circ}$
