A council may: study governmental problems common to two or more of its members, including matters affecting: economic conditions; education; environment; health; regional development; safety; and welfare; promote cooperative arrangements and coordinate action among its members; and make recommendations for review and action to its members and other public agencies that perform functions in the region. A council may employ staff and consultants. A council shall adopt bylaws that designate its officers and provide for the conduct of its business. A council shall submit an annual report of its activities to its members.