A pyramid-shaped organizational structure that consists of hierarchies with many levels of management is referred to as a(n) ________

Which of the following constraints belongs to an integer programming model butnot necessarily to a linear programming model?

a. Non-negativity constraints b. Integerconstraints c. Non-integer constraints d. All of the above

The ideal medium for interactive marketing is:

A) television. B) email. C) print media. D) the internet.