Ight so look, I took this like a month ago.

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

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.)

The valves of the heart and veins are similar in that they both