The translation would be:
A(1,2) = > A(-1, -2)
B(5,1) = > B(3,-3)
C(5,4) = > (3, 0)
Number 3
the triangle R'S'T' is a translation of the vector <3,2>
Number 4
J(4,5) with the translation ( x + 6, y -3)
J(4 + 6, 5 - 3)
J(10, 2)
The answer would be J(10,2)