In a transshipment problem, nodes are considered as either pure supply nodes or pure demand nodes

A real estate agent's license number must be included on all first contact solicitation materials, including:

a. Newspaper advertisement. b. Business cards. c. For sale signs placed on or around the property. d. All of the above.

The ________ refers to the fact that ordinarily the assumption in analysis of variance that the categories of the independent variable are fixed

A) fixed-effects model B) random-effects model C) mixed-effects model D) standard-effects model