Under which of the following conditions is it most beneficial to use a heuristic approach to solve a problem? a. when the problem can be solved in a reasonable time and an approximate solution is acceptable b. when the problem can be solved in a reasonable time and an exact solution is needed c. when the problem cannot be solved in a reasonable time and an approximate solution is acceptable d. when the problem cannot be solved in a reasonable time and an exact solution is needed

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

1. what was the premise behind the recording industry association of america’s lawsuit against napster? 2. based on your knowledge of how napster worked, if you downloaded a copy of a song from a friend’s hard drive using napster, would you be infringing on the musician’s or record company’s copyright? 3. describe the scope of the digital millennium copyright act and what or whom it protects. 4. what was the link between the digital millennium copyright act and the napster legal proceedings? 5. what are the legal implications of napster’s online music-sharing service?

4. discuss three characteristics of postmodern society? how does postmodern society differ in these characteristics than pre-industrial or modern societies?