Answer:
I think Its B
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

--- scale factor
Required
Determine A'
This is calculated as:




Answer:
you want to isolat U on one side, so subtract 9/-4 from both sides to end up with (9/-4) - 9 = u, then solve. (9/-4)-9 = -11.25, so -11.25 = u