Multiply Celsius temperature by 9/5 and then add 32° is a temperature in degrees Celsius proportional to its equipment temperature in degrees Fahrenheit

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?