The distance of the point $(7,0)$ from the origin is $\ldots \ldots$

If the perpendicular distance of a point $P$ from the $x$-axis is $5$ units and the foot of the perpendicular lies on the negative direction of the $x$-axis,then the point $P$ has

The line joining $(5, -3)$ and $(-5, -3)$ is $\ldots \ldots \ldots$

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

Which coordinate of a point on the $y$-axis is zero?

The point whose ordinate is $4$ and which lies on the $y$-axis is