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Viktor [21]
3 years ago
8

What is the answer to the question

Mathematics
2 answers:
Tju [1.3M]3 years ago
8 0

Answer:

63

Step-by-step explanation:

12^{2} -9x^{2}  Or 144-81

stellarik [79]3 years ago
3 0

Answer:a=√225 or 15

12*12=144

9*9=81

added together=225

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