Final answer:
In the given options, the pair of measurements that is not equivalent is option c. The conversion of 350 minutes to hours and minutes is 5 hours 50 minutes.
Step-by-step explanation:
In the given options, the pair of measurements that is not equivalent is option c. The conversion of 350 minutes to hours and minutes is 5 hours 50 minutes. Therefore, option c (350 minutes, and 5 hours 50 minutes) is not equivalent to the others.