The provision in a listing contract that gives additional authority to the broker and obligates the broker to distribute the listing to other brokers is

Multiple Listing Clause

Explanation:

Multiple listing clause is a business or investment term that describes a form of a clause or listing agreement that enables a broker to make his or her listings available through other brokers also referred to as Multiple listing services.

Hence, the provision in a listing contract that gives extra permission to the broker and obligates the broker to distribute the listing to other brokers is known as MULTIPLE LISTING CLAUSE

i believe it’s b because the rest don’t make sense

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants