Final answer:
If all of the constraints have slack values, the solution isn't the optimal solution that maximizes the available resources.
Step-by-step explanation:
The statement 'If all of the constraints, which represent the availability of resources, have slack values, the solution isn't the optimal solution that maximizes the available resources' is True.
When a constraint has a slack value, it means that the available resources for that constraint are not fully utilized. An optimal solution would allocate resources efficiently and maximize their use.
If all constraints have slack values, it indicates that there is room for improvement in utilizing the available resources, and therefore, the solution is not optimal in terms of maximizing the resources.