Your friends between the skyscraper and yourself. The angle of Elevation From your position to the top of skyscrapers 42°. The angle of elevation from your friends position to the top of a skyscraper 71°. To the nearest foot, how far you from your friend?

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When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.