It took 18 hours to complete the first two products with an 80% learning curve. How long did the second product take?

If a prior occupant died on the real estate more than _________________ prior to a buyer's purchase, the seller's agent has no affirmative duty to voluntarily disclose the death to the buyer.

a. six months b. one year c. three years d. five years

Which of the following sets of constraints results in an unbounded maximization problem?

A) X + Y ? 100 and X + Y ? 50 B) X + Y ? 15 and X - Y ? 10 C) X + Y ? 10 and X ? 5 D) X ? 10 and Y ? 20 E) All of the above have a bounded maximum.