How to find the mean?

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

Common binomial factor of 6x(3x+7)+5(3x+7)

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3