Plz help me 25 points!! Plzz

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.

Hundred and tens tables to make 430 in five different ways

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?