Pregunta 4 2 pts If during the simplex procedure it is not possible to select a pivot row, then ... Othere are multiple optimal solutions the solution is infeasible you cannot select entering decision variables the solution is unbounded Pregunta 5 2 pts If during the simplex procedure the optimality condition is satisfied and one or more of the basic variables are artificial, this indicates that there are multiple optimal solutions the solution is unbounded the solution is not feasible none of the previous options