How is 1.2 x 10 written is standard decimal notation?​

Which expression is equivalent to 4 square root 6 divided by 3 root 2

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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.