What direction does longitude and ladatue

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

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost