All linear programming problems have all of the following properties EXCEPT
a. variables that are all restricted to nonnegative values.
b. a linear objective function that is to be maximized or minimized.
c. alternative optimal solutions.
d. a set of linear constraints.

Chloe is building a kiosk-based excel application. she wants to make some modifications to the screen elements in order to keep users from being distracted by parts of the application that are irrelevant to her application. she turns to henry for guidance as she knows he built a similar solution earlier this year.chloe has decided to hide the worksheet gridlines and the vertical scroll bar. what does henry tell her to use to do this? a) screen elements dialog boxb) display options dialog boxc) customization dialog boxd) excel options dialog box

Research data that is presented using descriptive language is said to be

1. for which of the following are you not required to signal beforehand? a. changing lanes b. speeding up c. stopping