Answer:
it should be y=6x
Step-by-step explanation:
Since both rectangles are similar, the following ratio must be fulfilled:

By multiplying both sides by 14, we get

and by subtracting 9 to both sides, we have

Therefore, the answer is 12.
Perpendicular,
Explanation:
I just drew it down on paper
Answer:
Step-by-step explanation:
12.80+3.42= 16.22
16.22-9.70= 6.52 that's your answer