Answer:
1st one is positive
2nd one is negative
3rd one is negative
4th one is positive
Step-by-step explanation:
B i think on #2
hope this helps
Answer:
ok iwill
Step-by-step explanation:
Answer:
8.9 meters per second I think.
Step-by-step explanation:
400 divided by 45
Answer:
16-2n=-8+4n-12
16+8+12=4n
36/4=n
9=n
Step-by-step explanation: