ΔRST was , then dilated, to create ΔZXY.

Hello! Remember you have to write complete questions in order to get good and exact answers. Here I'll assume translation in order to explain some concepts.

Suppose you have the following triangles:

So ΔRST was first translated and the dilated by the following rules:

So as you can see:

Conclusion:

ΔRST was translated, then dilated, to create ΔZXY.

understand that i don't know the answers

will someone answer his question

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.