All 3 of the listed parallelograms have both pairs of sides parallel, by definition.
The square and the rhombus have all congruent sides.
Since the square and rhombus have all 4 congruent sides, this means their opposite sides are congruent. Additionally, rectangles have opposite sides congruent.
-3x+8 is the correct answer.
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Answer:
141414
Step-by-step explanation: