Pleaseee helpp ASAP.

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

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.