someone please help! i am confused on what it would be, so please help!

12 floors are between it. Go to -4 on the number line and count upwards until you reach 8. you don’t include-4 or 9. -4 is 4 floors underground and then 9 is 9 floors above.
Answer:
11 floors are between her and her car.
Step-by-step explanation:
9th floor (Where she works
8th
7th
6th
5th
4th
3rd
2nd
1st (Ground floor)
-1
-2
-3
-4 (Where she parked her car)
So 13 floors in total. With two of them being her office and the other being the floor she parked her car in, so, there are 11 floors are in between those floors.