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Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?