I randomly choose a pair of socks per day. I have 12 white socks and 18 black socks. What is the probability that I will have mis match socks?

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?