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Answer:
i think 2.7
Step-by-step explanation:
if not have a great life
If an is 18 and as is half its length it would be 9, AD = 9
Answer:

Step-by-step explanation:
subtract by 5 on both sides. ur left with

square root b and 16. the square root cancels out b squared. find the square root of 16. the square root of 16 is 4