Where and when did quadratic equations first originate? what were they used for?

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

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