Answer: -6
Step-by-step explanation:
Because its 6 feet below sea level, it should be negative, and since its 6 feet, it would be -6.
Answer: 146.24 square meters
Step-by-step explanation:
Answer:
a) eight and seven ninths minus three and four sixths
Step-by-step explanation:
The required result is 
a)

b)

c)

d)

I hope this helps!! Don’t mind the 20 mph at the top. That was from another problem I was helping someone else on.