The equation x^2+y^2-2x+2y-1=0 is the general form of a circle. what is the center and radius of this circle

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

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?

Sove the equation 6c + 11 = 2c + 59