Along distance swimmer's diving watch keeps track of the distance the swimmer goes in reference to the exact starting point. the watch records the location of the swimmer each time the swimmer turns around. after swimming for one hour, the watch shows the following values (units are meters): 145, –260, 190, –300, 100 how many total meters did the swimmer swim?

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

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