According to the UML Notation Guide, the term disjoint means that a descendent may not be descended from more than one of the subclasses

Tom DeMarco, a well-known author on software development, suggests ____ reasons for the inaccuracies of many information technology project cost estimates and some ways to overcome them.

a. three b. four c. five d. six

Which statements is(are) true with regard to health maintenance organizations (HMOs)?

I. Health maintenance organizations emphasize cost containment, II. Health maintenance organization members receive comprehensive health services in exchange for a fixed, prepaid fee a) I only b) II only c) Both I and II d) Neither I nor II