How do you derive the equation of a circle? needed asap. 3 questions after will also be needed.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

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

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4