The perpendicular distance of the $X-$ axis from the point $(5,3)$ is $\ldots \ldots \ldots \ldots .$

Find the point on the $Y$-axis which is equidistant from $(3, 1)$ and $(-2, 5)$.

Points $(3,4), (-1,4)$ and $\ldots \ldots \ldots \ldots$ are collinear.

Given $P-R-Q$ and if $\frac{PR}{PQ} = \frac{2}{7}$,then $R$ divides $\overline{PQ}$ from $Q$ in the internal division ratio $\ldots \ldots \ldots \ldots$

$A(8, 2)$,$B(2, 4)$,and $C(6, 7)$ are the vertices of $\Delta ABC$. Find the area of $\Delta ABC$.

Find the points of trisection of the line segment joining $(7, 5)$ and $(-2, -1)$.