Answer:
it is becuse you do 13-4 which would give you nine.
A's area is 4x3=12, B=2x3=6, so yes, A is twice the area of B
a Answer: YES
b Answer: One side doubled, the other stayed the same, so area doubled.
The answer is x=3. Work shown in the photo above!
Answer:
Per how many days?
Step-by-step explanation: