Let point N has coordinates (0,0), then figure A has vertices at points (-3,0), (-7,0), (-7,4) and (-3,4). Figure B has vertices at points (3,1), (7,1), (7,-3) and (3,-3).

1. Translation 10 units to the right has the rule

(x,y)→(x+10,y).

Then vertices of the figure A have images:

(-3,0)→(7,0);
(-7,0)→(3,0);
(-7,4)→(3,4);
(-3,4)→(7,4).

2. Translation 3 units down has the rule

(x,y)→(x,y-3).

Then images are

(7,0)→(7,-3);
(3,0)→(3,-3);
(3,4)→(3,1);
(7,4)→(7,1).

As you can see these points are exactly the vertices of the figure B.

4 0

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