Help me pls h

Simplify the expression 10/11(22z) + (a+5) -1

Which of the following is correct interpretation of the expression -4+13

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