Determine whether the underlined numerical value is a parameter or a statistic. explain your reasoning. upper a survey of 42 out of hundreds in a dining hall showed that modifying 40.5 %

26 is what percent of 45, and how do you solve it?
26/45 = x/100
(26/45)(100) = x

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.