I believe it's a rational number, since it's an integer.
The independent variable is the rate that water is flowing into the pool, and the dependent variable is the depth of water in the pool.
I believe this would be the case due to the fact that we are not in control of the flow yet the flow impacts the depth. So flow would be independent while the pool depth would be dependent on the rate of flow.
Answer
B.
Step-by-step explanation
Because subtract 4 from 4 and twelve
All we need to do is turn the mixed number into an improper fraction.
7 1/6 = 43/6
Therefore, there are 43 sixths in 7 1/6.
Best of Luck!