What does \( t \) equal if \( stu = 21 \) and \( s, t, \) and \( u \) are known to be distinct, positive integers?
(1) \( s = 1 \) and \( u = 7 \)
(2) \( su = 7 \)
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radio_button_uncheckedStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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radio_button_uncheckedStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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radio_button_uncheckedBOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
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radio_button_uncheckedEACH statement ALONE is sufficient.
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radio_button_uncheckedStatements (1) and (2) TOGETHER are NOT sufficient.
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