In the 1960s, techniques were developed that allowed individuals to fool the phone system into providing free access to long distance phone calls. the people who use these methods are referred to as
a. phreakers.
b. hackers.
c. hijackers.
d. superzappers.

The initial tableau of a linear programming problem is given. use the simplex method to solve it. x 1 x 2 x 3 s 1 s 2 z 1 2 4 1 0 0 8 3 4 1 0 1 0 10 minus3 minus12 1 0 0 1 0 the maximum is nothing when x 1equals nothing, x 2equals nothing, x 3equals nothing, s 1equals3, and s 2equals0. (be sure to simplify to lowest terms if necessary.)