Plz help and show your work

Answer:
144
Step-by-step explanation:
You multiply the two number in this case, 6 & 12.
then multiply that by 2 because the scale is 2cm : 4m
Answer:
B
Step-by-step explanation:
Its a scale factor of two so all you have to do is find the area of the given object and multiply that by 2
6x12=72
72x2=144
Therefore b is your answer