Answer:
66.42degrees
Step-by-step explanation:

7 is the answer 4 and lower you round down 5 and up is up
She has to go down 4, back up to 0, and then up another 4, then back to 0.I<span>f positive 1 represents the first level above ground, negative numbers are a good choice to represent levels below ground. 8 flights; starting at -4 and moving to 4.</span>
I’m sorry but I don’t understand what you need help with ?