The Environmental Protection Agency can regulate a toxic substance that poses an imminent hazard but cannot prohibit its use altogether

Which of the following statements is true of the extent of ownership of land?

A) A landowner is legally entitled only to 500 ft of airspace above his or her land. B) A landowner has to obtain mineral rights separately from the government. C) A landowner may sell mineral rights to another person. D) A landowner has unrestricted rights to use the water flowing across or underneath one's property.

Table 10-5 represents a solution for an integer programming problem. If one uses the optimal solution presented, how much slack is there in the first equation?

A) 0 units B) 5 units C) 3 units D) 2 units E) None of the above