Question

please give this answer I will mark as brainlest and I will follow you.
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Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

$(( {4}^{2} - {3}^{2} ) \div 7) {}^{2} \\ = ((16 - 9) \div 7) {}^{2} \\ = (7 \div 7) {}^{2} \\ = {1}^{2} \\ = 1$

hope this helps.!!