Answer:
No
Step-by-step explanation:
No function, because the same output can't have two different inputs.
It takes 3 rolls to get what you want
B "it's" means (it is) and that would not make sense if it fell on it is side .
40×4×4=640
b=20 h=4
using formula:
1/2×base×height
1/2×20×4=40
its says scale by factor 4:
b=80 h=16
using formula:
1/2×base×height
1/2×80×16=640
answer------>>>>640cm^2
