Question: give me exercises
1. Let's start with a simple algebra exercise: Solve for $x$ in the equation $$2x + 3 = 7$$.
2. Next, try solving a quadratic equation: Find $x$ such that $$x^2 - 5x + 6 = 0$$.
3. For a bit of geometry, calculate the area of a triangle with base $b = 8$ and height $h = 5$ using the formula $$\text{Area} = \frac{1}{2}bh$$.
4. Finally, practice simplifying a fraction: Simplify $$\frac{18}{24}$$ by finding the greatest common divisor and dividing numerator and denominator by it.