The line joining $P(5,3)$ and $Q(5,-8)$ intersects..........

If $a=5, b=3, c=-8$ and $d=-5$,then in which quadrant does the point $(a+c, b+d)$ lie?

The line joining $(8, 8)$ and $(-8, 8)$ is parallel to which axis?

The distance between the points $(5, -3)$ and $(5, 8)$ is............

Point $(2.8, 4.9)$ lies in the $\ldots \ldots$ quadrant.

$A$ point lies on the $x$-axis at a distance of $7$ units from the $y$-axis. What are its coordinates? What will be the coordinates if it lies on the $y$-axis at a distance of $-7$ units from the $x$-axis?