Please help me :( anwser my questions on my profile their easy 7th grade rational numbers etc math

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

If a || b and e || f , what if the value of y ?

Select the graph of the solution. click until the correct graph appears. |x| = 3