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Find the distance between the pair of points a(-1,8) and b(-8,4)

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

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two