Pls answer all 5 and 100 points are being offered for these answers. pls include a very thought out explanation. tysm!

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

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

Which function has the domain x> -11?