An 180-degreee rotation would return the square to its original position.
Answer:

Step-by-step explanation:
0 = 0 ± b

* Parallel Lines have SIMILAR <em>RATE OF CHANGES</em> [<em>SLOPES</em>], so −4 remains the way it is.
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Answer:
the answer is 2
Step-by-step explanation:
1/2 plus 1 is 1 1/2 then add another 1/2
2/3=14/21 and 5/7=15/21 so 14/21+15/21=29/21 or 1 and 8/21