I draw 3 circles, 3 triangles, and 3 squares in the plane, such that each pair of shapes intersect once. What is the minimum number of intersection points?

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?