4 years ago

Please helpppp As soon as possible

Mathematics

1 answer:

Flura [38]4 years ago

8 0

Answer: 4 pairs

Step-by-step explanation:

121-16=105. However, 121 can be made by squaring -11 or 11. 16 can be made by squaring 4 or -4. Thus, the choices are 11,4 11,-4 -11,4 -11,-4

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