inequalities

Is ? 1) 2) here are the five choices A) stmt 1 works but stmt 2 does not work B) stmt 2 works but stmt 1 does not work C) stmts do not work alone, but they do work together D) each stmt works by itself E) nothing works, not even using them together

In a certain bathtub, both the cold-water and the hot water fixtures leak. The cold water leak alone would fill an empty bucket in c hours, and the hot water leak alone would fill the same bucket in h hours, where c<h. If both fixtures began to leak at the same time into the empty bucket at...

If wxyz does not equal 0, is w/x > y/z? (1) wz>xy (2) xz>0