What is the slop and y-intercept of this line y = x - 5

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?