What is the measure of the angle formed by the coordinate axes (in $^{\circ}$)?

If $(2x - 3, y + 3)$ and $(x + 7, 2y - 2)$ are the same point in the coordinate plane,then the values of $x$ and $y$ are .......... respectively.

In which quadrant or on which axis does each of the following points lie?
$A(10, 40), B(-30, 0), C(50, -40), D(0, -30), E(-20, 50), F(0, 60), G(70, 0), H(-40, -50)$
Verify your answer by plotting the points in the Cartesian plane. Use the scale $1 \, cm = 10$ units on both axes.

State whether the following statement is true or false:
The coordinate axes divide the Cartesian plane into four parts.

The point whose both coordinates are negative lies in the ............ quadrant.

If the coordinates of the two points are $P(-2, 3)$ and $Q(-3, 5),$ then (abscissa of $P$) $-$ (abscissa of $Q$) is