Victoria and margaret left their apartment at the same time traveling in the same direction. victoria drove at 55 mph and margaret drive at 70mph. how many miles was it before margaret was 30 miles ahead of victoria?

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?