Answer:
Well it is ABOVE sea level, so its positive.
Sea level would be considered zero, and if it was below sea level it would be considered negative.
I hope this helped you ♥ ♥
1/5 and 3/5
Hope this helps!
When you subtract flip the signs of the second set.
2x^2+5-4x+3
Now combine like terms
2x^2-4x+8
Final answer: B
