Pls answer will give brainliest

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

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)