Use the Venn diagram and the given conditions to determine the number of elements U in each region, or explain why the conditions are impossible to meet.
n(U) = 39, n(A) = 17, n(B) = 23, n(C)= 20, n(A n B) = 10, n(A n C) = 6, n(B n C)= 14, n(An BNC)=5

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step-by-step explanation:

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you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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