Answer:
0 represents ground level.
Step-by-step explanation:
0 on the number line represents ground level. Based on the photo, the 0 is in between the underground and the space above. The answer cannot be one of the negative numbers because those are all shown to be underground in the photo.
Answer:
It is correct for 5. Incorrect for 6. Lastly, correct for 7.
Answer:
C.t<15
Step-by-step explanation:
If T-3<12
T<12+3=15
T<15