Jim weighs 30 lb. less than Tom, and together they weigh 210 lb. Let n = Tom's weight in pounds. Select the equation that most accurately depicts the word problem.

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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.

B. 16is the absolute value