What is a formula for the nth term of the given sequence? 36,-54,81

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

Ten times the square of a non-zero number is eqaul to ninety times the number

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100