The ________ state is used to define the clickable area of a button

To be entitled to receive a fee as a selling agent, the agent must have

A. written the offer from the buyer. B. shown the buyer the property C. been responsible for procuring the sale. D. any of these.

In a 0-1 integer programming problem involving a capital budgeting application (where xj = 1, if project j is selected, xj = 0, otherwise) the constraint x1 - x2 ? 0 implies that if project 2 is selected, project 1 cannot be selected

Indicate whether this statement is true or false.