Quadrilateral ABCD is translated 7 units down and 2 units to the right.
The length of side AB of the original quadrilateral is ___ units. After the transition, the length of side AB will ___.
A.) 2 units
B.) 3 units
C.) 3.5 units
D.) 4 units
E.) increase
F.) decrease
G.) remain the same
Please hurry. Thank you!