Compare the process of solving
|x - 1| + 1 < 15 to that of solving
Ix-1| + 1 > 15.

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.

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?

Measure a and b and find their sum. how are the angles related?