Atable with a round top is cut in half so that it can be used against a wall. after it is cut, the edge along the wall is 6 feet. what is the area a of the table after it is cut in half ? give your answer in terms of pi.

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample