Yes.
Yes.
Yes.
Yes.
Yes cutting a rectangle in half (either horizontally or vertically) will yield two smaller rectangles (each of which is the same size and shape as the other).
A congurent half is the same as a line of symetry. It is a half that is the same shape, size and length as the other half
no
Yes.
Yes
Yes
Yes.
Yes, you can cut a rectangle any way you please.
They make two congruent rectangles, not to rectangles! This is because the line joining the midpoints of opposite sides are lines of [reflective] symmetry.