Who is randy pausch and where he live?​

Randolph Frederick Pausch was an American educator, a professor of computer science, human–computer interaction, and design at Carnegie Mellon University in Pittsburgh, Pennsylvania

Baltimore, Maryland, United States

the answer is the last one

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).