Answer:
2 i think
Step-by-step explanation:
Answer:Because when a three dimensional object is folded flat, its area is calculated, and then it is no longer has volume, only length and bredth. Volume has cubic units.
I am pretty sure that it is just 7. since (-7)^2 is 49 and (-7)^-1 should be 7 and 49/7=7
(you might want to double check with a calculator)