Answer
7. is 9.129, 9.219, 9.3, 9.37
9. is 2.8, 2.81, 2.930, 2.941
I can't really see 8 or 10 but if you comment them I would be happy to help.
18-x=180/-9
what does x equal
well do 180/-9=-20
then you need to do -20+18 whic equals -2.
there you go
hpoe i helped
-225=x-737
x=512
Answer: Suzy’s starting elevation was 512 ft above sea level