The 2nd and 4th expressions are the appropriate ones. Both result in '0' which means that Kiana is on the ground floor of the building at the end.
You have to turn them in to the lowest common denominator
We are given the inequality. Solving it,
4x/9 - 10 > x/3 - 12
4x/9 - x/3 > -12 + 10
x/9 > -2
x > -18
The graph of the solution would composed of all values greater than -18<span />
Nooooooooooooooooooooooooooooooooooo