please help, 8 points and brainliest answer

Hey there!
If it is dilated by a scale factor of 1/2, then it will be 1/2 of the original length.
16 x 1/2 = 8
Multiplying something by 1/2 is like dividing it by 2.
Therefore, your answer is A, x = 8 inches.
Hope this helps!