Domagoj, you're moving to advanced math! Try these:

1. A right triangle has one side of length 3 and another of length 10. What is the length of the hypotenuse?
2. What is the square root of 129?
3. What is 3 raised to the power of 3?
4. If a square has an area of 50 square units, what is the length of one side?
5. Find the value of: 10² + 5³

Challenge accepted!