Triangle A B C is shifted to the left to form triangle A prime B prime C prime. Triangle A prime B prime C prime is then dilated to form larger triangle A double-prime B double-prime C prime.
 Determine the similarity transformations that verify △ABC ~ △A''B''C'.
 The first transformation mapping △ABC to △A'B'C' is a 
 .
 The second transformation mapping △A'B'C' to △A''B''C' is a