I believe that the answer would be to add 10 to both sides, srry if I'm incorrect!
Answer:
P = F + 5
Step-by-step explanation:
Phineas' nose is equivilent to Ferb's nose plus five
The commutative property of addition means the order of the addends doesn't matter; we get the same sum. In symbols

<span>11 + 7 = 7 + 11, choice B, is a good illustration of commutativity.
The next part asks us to use the commutative property. Looking at the choices, we see it's not the commutative property of addition we're to use, it's the commutative property of multiplication. Let's write that generally first:
</span>

Applying that, <span>(4 + 7) * 3 = 3*(4+7), again choice B.
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Answer:
3
Step-by-step explanation:
three