Jessica has $4 left in her pocket. she spent $7 on a ticket to a baseball game, $2 on a hot dog, and $11 on a hat. how much money did she have at the beginning of the day?

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?