RST was, then dilated to create ZXY

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction