Which measure is always the 50th percentile?

mean
median
upper quartile

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.