Solve x2 - 8x = 20 by completing the square. Which is the solution set of the equation

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

The slope of the line whose equation is y - 3 = 0 is 0 3 no slope