Pls help I’m just asking pls it’s not hard please I promise all I need is help nobody helps me so this is why I’d downloaded this app for help so please do it do pg.15.thank you

If the discriminant if a quadratic equation is 4 which statement describes the roots?

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?

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?