1. The horizontal distance between two points is 8 units and the vertical distance is 15 units. The straight-line distance between the points is ___ units.
2. To find the distance $c$ between two points with horizontal distance $a$ and vertical distance $b$, which formula correctly applies the Pythagorean Theorem?
3. A right triangle is formed between two points on a coordinate plane. If the horizontal leg is 3 units and the vertical leg is 5 units, the exact straight-line distance is ___ units.
4. Two points have a vertical distance of 7 units and a horizontal distance of 24 units. What is the straight-line distance between them? ___ units.
5. The horizontal distance between two points is 6 units and the vertical distance is 3 units. What is the exact distance between the points?
6. What is the distance between point $A(1, 2)$ and point $B(10, 14)$ on the coordinate plane? The distance is ___ units.
7. Find the distance between points $M(2, -4)$ and $N(9, 1)$. Express your answer as a radical.
8. What is the exact distance between the origin, point $O(0, 0)$, and point $P(8, -15)$? The distance is ___ . (a number)
9. A drone flies in a straight line from a starting point at $(1, 1)$ to a delivery location at $(7, 9)$. What is the total distance the drone traveled?
10. On a treasure map, the starting point is at $(-6, -2)$ and the treasure is at $(6, 3)$. What is the straight-line distance to the treasure? The distance is ___ units.