What is 3 different expressions of x - 10

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

What is r i 4.5+10r=-6.5 with work pls

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.