Answer:
1. C
2. B
3. B
4. A
5. B
Step-by-step explanation:
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It means that if you fold it in half the two halves will be the exact same
Answer:
If PQRS is a parallelogram with two adjacent congruent sides, then it must be a rhombus. A rhombus is a parallelogram characterized by having all sides congruent. Therefore, the adjacent sides must be congruent as well.
Well let's see.

The equation has exactly one solution.
Hope this helps.