Squares are figures that have 4 sides and 4 right angles. All 4 sides are the same length.
None of these figures have 4 sides the same length so none of the figures are squares
A parallelogram is a 4 sided figure with opposite sides parallel.
Figure B has 4 right angles so the opposite sides are parallel.
Figure C has opposite sides the same length so the opposite sides are parallel.
Figures B and C are parallelograms.
A rectangle is a 4 sided figure with 4 right angles and opposite sides parallel.
Figure 4 has 4 right angles and the opposite sides parallel.
Figure B is a rectangle