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Answer: 81 mm^2
Step-by-step explanation: All the sides are the same length and area is just length * width so 9*9=81. You're welcome
Answer: I can help
Step-by-step explanation:
Answer:
(2n+3)(−2)
=(2n+3)(−2)
=(2n)(−2)+(3)(−2)
=−4n−6
