What is the next term of the geometric sequence? 189,63,21,189,63,21,189, comma, 63, comma, 21, comma

What is the simplified expression for 6(2(y+x))

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?

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.