The dot plots represent the heights of students, in inches, in two different classes. Which statement about the difference in the means of the two data sets is true?
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What is the missing step in this proof ?

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

What is the surface area of a cube with the volume of 729 ft?