Use the associative property of addition to write an expression equivalent to (n + 2) + 7. which expression is equivalent to (n + 2) + 7 by the associative property of addition? o a. (n+7)+2 ob. n +(2+7) oc. 7+ (n +2) od. n +2 +7 click to select your answer. save for later

The correct answer is OB.

Step-by-step explanation:

Let us recall the Associative Property of Addition: given three real numbers , and the following equality holds:

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Let us remark that the Associative Property of Addition tells us that we can perform the sums in any order.  So,

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In the other options there was used the Commutative Property of Addition.