9. Dozier and his wife, daughter, and grandson lived in the house Dozier owned. At the request of the daughter and grandson, Paschall made some improvements to the house. Dozier did not authorize these, but he knew that the improvements were being made and did not object to them. Paschall sued Dozier for the reasonable value of the improvements, but Dozier argued that he had not made any contract for such improvements. Was he obligated to pay for such improvements?

11. Margrethe and Charles Pyeatte, a married couple, agreed that she would work so that he could go to law school and that when he finished, she would go back to school for her master's degree. After Charles was admitted to the bar and before Margrethe went back to school, the two were divorced. She sued Charles, claiming that she was entitled to quasi-contractual recovery of the money that she had paid for Charles's support and law school tuition. He denied liability. Was she entitled to recover the money she spent on Charles's maintenance and law school tuition? [Pyeatte v. Pyeatte, 661 P.2d 196 (Ariz. App.)

4. Nelson wanted to sell his home. Baker sent him a written offer to purchase the home. Nelson made some changes to Baker's offer and wrote him that he, Nelson, was accepting the offer as amended. Baker notified Nelson that he was dropping out of the transaction. Nelson sued Baker for breach of contract. Decide. What social forces and ethical values are involved? [Nelson v. Baker, 776 S.W.2d 52 (Mo. App.)]