Andrea has $12.60 in nickels how many nickels does she have

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

I’m really confused and need to learn this

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?