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21 ore fa · Find step-by-step solutions and your answer to the following textbook question: Two sociologists have grant money to study school busing in a particular city. They wish to conduct an opinion survey using 600 telephone contacts and 400 house contacts.
21 ore fa · Pythagorean Theorem and Distance Formula Word Problem. Molly bicycles 3 miles west to get from her house to school. After school, she bicycles 4 miles north to her friend Russell's house. How far is Molly's house from Russell's house, measured in a straight line?
