which quadrilateral always has two pairs of parallel sides, four right angles, and four congruent sides

I believe the answer is a square.

Step-by-step explanation:

I came to this conclusion by breaking it down.

A square has two pairs of parallel sides.

A square also has four right angles.

A square also has four congruent (same shape and size) sides.

A square

The two sets of sides across from each other are parallel.

All angles are right.

All sides are equal.