Solve in real numbers the equation

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.