9. Which of the following is an example of the Commutative Property of Addition? (1 point) O 12 + 4 = 4 + 12
O 12 + (3 + 2) = (12 + 3) + 2
O 2 + 7 + 0 = 2 +7
O 17+ (-17) = 0
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10. If p = 8, evaluate 42+p:3. (1 point)
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9. the first one ( 12 + 4 = 4 + 12 )

Step-by-step explanation:

the commutative property of addition means that you can change the order of the numbers you add and the sum will still be the same. this is shown in the 12 + 4 = 4 + 12 because the order is switched, but they are still equal.

1.true 2.false? ? i think. .

step-by-step explanation: