Answer: The required distance between the given points is 5 units.
Step-by-step explanation: We are given to find the distance between the points (-3, -4) and (0, 0).
Distance formula : The distance between two points (a, b) and (c, d) is given by

So, the distance between the given points (-3, -4) and (0, 0) is given by

Thus, the required distance between the given points is 5 units.