Answer:
The answer is "(5, -6)"
Step-by-step explanation:
Given:
The Pre-image line at point B is: (3, 4)
Solution:

The coordinates of B point is (5,-6).
The pattern is +8
So the next three numbers are 23, 31, 39
If the rectangle has a fixed width of 300, it means that

where
and
are width and length, respetively.
So given the length
, the are would be
