3. Simplify each expression, using the correct order of operations. a. 3 52 b. 7 - 3(2 6) 16.22 4 -4 V52 -4(-3) (2) 2 C. 4 d.

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A: Please refer to the image below

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Q: 6) Evaluate this expression. 7.4-(-3.7) A) - 3.7 B) 8.4 C) 11.1 D) 13.21

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Q: 8. Divide and then simplify, if possible. a? -9 9a? +27a a² – 64 3a + 24

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