Hey!
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Question #3:
The associative property is where you have an equation and you can switch the numbers and it will still equal the same.
Answer: c) (x + 3) + 7 = x + (3 + 7)
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Question #4:
The distributive property is where you have an equation and you multiply each addend and add them up.
Answer: c) distributive
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Hope This Helped! Good Luck!