Answer:
D
Step-by-step explanation:
The intersection of the graphs is at (-3,4).
If the number terminates then it is rational. The number 7.068583471 terminates which means it is a rational number.
He held his breath 12 minutes and 47 seconds, which means that he was 47 seconds over 12 minutes.
So, the question is: how many milliseconds are 47 seconds?
By definition, one second is 1000 milliseconds, so 47 seconds are 47000 milliseconds.