Select all that apply
a square is a
quadrilateral
parallelogram
rectangle
rhombus

-- A rhombus is always a parallelogram and a quadrilateral.
A rhombus can also be a square, but not all of them are.

-- A rectangle is always a parallelogram and a quadrilateral.
A rectangle can also be a square and a rhombus, but not all of them are.

-- A parallelogram is always a quadrilateral.
A parallelogram can also be a square, a rectangle, or a rhombus, but not all of them are.

-- A quadrilateral can be a square, a parallelogram, a rectangle, and a rhombus.
But not every quadrilateral needs to be any one of these things.

However . . .

-- You can definitely be sure that every square is always a quadrilateral,
a parallelogram, a rectangle, and a rhombus.

All four choices apply to a square, and should be selected.