The image contains a series of mathematical problems, mostly related to geometry, coordinates, and equations of lines. Here’s a quick breakdown of some of the visible problems:

• Problem 8: Involves finding the area of triangle $APD$ using coordinates.
• Problem 9: Involves determining the equation of a line passing through specific points.
• Problem 10: Asks for the equation of a line where a triangle's area is given and uses coordinates to find the equation.
• Problem 11: Similar to Problem 10, finding the area enclosed by a line and coordinate axes.
• Problem 12: Involves analyzing a diagram and writing equations of the lines shown.

Would you like help solving one of these specific problems or need explanations for all of them? Let me know which one you'd like to explore further!

Here are five possible follow-up questions:

1. Would you like to focus on the geometry or algebra aspect of these problems?
2. Should we start with solving the first problem visible (Problem 8)?
3. Do you need step-by-step solutions for any of these specific problems?
4. Would you like a detailed explanation of the coordinate geometry used in these problems?
5. Do you need any concepts clarified related to the equations of lines or areas of triangles?

Tip: In problems involving triangles and coordinates, using the formula for the area of a triangle formed by three points $(x_1, y_1), (x_2, y_2), (x_3, y_3)$ can save time: $\text{Area} = \frac{1}{2} \left| x_1(y_2 - y_3) + x_2(y_3 - y_1) + x_3(y_1 - y_2) \right|.$