Please anyone know the answer I’m just trying to graduate

What could explain what happened when the time was equal to 120 minutes

How to solve a simultaneous equation involved with fractions?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label