what equation can I use if I have 69 numbers and need 5 of the numbers, and have a bunch of previous sets of numbers? is there an app, calculator, or website that will do it? I know there's something out there to predict it​

The solution set for 5v2 – 125 = 0 is

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

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?