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Answer:
5(x^2−8
Step-by-step explanation:
There you go
Answer:
A. 
Step-by-step explanation:

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Answer:
sqrt39
Step-by-step explanation:
Because AE is 5 because the square intersects by half based on the SSS theorem. Therefore we can use The Pythagorean Theorem and get 8^2-5^2 to get sqrt39