John and George have a combined weight of 430 but George is 58 pounds heavier. what's their individual weight

What is the greatest common factor of 8 and 36

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality