<span>overseeing the actions of brokers and financial advisers
</span><span> ensuring the security and fairness of mutual funds and exchanges
</span><span>bringing suits against businesses that are not following securities laws</span>
I think associative, because it is the same thing in a different order.
1/2d+6=1/2(d+12)
Leaving us with 0.5 or 1/2
There are 4 per row.
12 divided by 3 = 4.