Answer:
(c) (p/6 +7) +8
Explanation:
You want an expression equivalent to p/6 +(7 +8).
Associative property
The associative property of addition lets you move the parentheses in a sum. This means ...
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Additional comment
The sum (7+8) is not 1, so the first answer option doesn't apply.
8 is not a factor in the expression, so the second answer option doesn't apply.
p/6 is not the same as 6p, so the last answer option doesn't apply.