Security dealers: are limited to trading non-listed stocks. buy and sell from their own inventory. operate exclusively in auction markets. operate on a physical trading floor. match buyers with sellers.

The answer is B. buy and sell from their own inventory

Explanation:

A dealer is someone who buys and sells from its own account or inventory.

A dealer is a seller to an investor that wants to buy securities and he is also a buyer to an investor that wants to sell his securities.

A broker is different from a dealer in that it transacts(sells or buys securities) on behalf of his or her clients.

u = 30

continuing your method

= +

subtract from both sides

= - thus

= -

= ⇒ u = 30

answer; ///liability;