D = {-1, -2, 0, 1, 2} is d a subset of itself

Agrid shows the positions of a subway stop and your house. the subway stop is located at (-5,2) and your house is located at (-9,9). what is the distance, to the nearest unit, between your house and the subway stop?

What is the area of the shaded sector?

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.