Afreshman drops his net to a depth of -8 feet below the surface of the water. how far does he need to raise the net to bring it back tonthe ground

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?