Question

Help and Please check this! I will medal:)
http://prnt.sc/cyfuw9

Answer 1

No you did something wrong
(-4,4) --> y axis reflection --> (4,4) --> translation 4 units down --> (4,0)
That's how it goes you forgot to mention the translation transformation that applied

Answer 2

For part B you can sound more convincing by telling that we can prove their congruence using distance formula