What is the mean of the following set of numbers? 121, 347, 45, 21, 300, 614, 312, 333, 421 312 no mean 251.4 279.3

Analyze the diagram. what is the composition of transformations that was applied to map wxyz to w''x''y''z''? the first transformation was a reflection across line m rotation about point a translation down and right translation up and left. the second transformation was a rotation about point a translation up translation down reflection across line m.