The independent variable is represented by the symbol(s) 1. Y
2. xy
3. Both A and B
4. X
5. None of the above​

Match each expression with its simplified form.

What’s the answer ? use the picture to see the problem

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?