What is the image of (10,-22) under the transformation r y=-x

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

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?

3.4a=57.8 what is the the value of a