What is the area of triangle AQRt?

Here are the solutions to the problems you've provided:

10. a) Hal garnuhos (solve): $2^{x-2} + 3^{3-x} = 3$

Step 1: Test integer values for $x$.
If $x=2$:

$$2^{2-2} + 3^{3-2} = 2^0 + 3^1 = 1 + 3 = 4$$

Since $4 \neq 3$, $x=2$ is not a solution.

If $x=3$:

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