Mr. Lopez has 238 silver coins in his coin collection. the actual weight of the real silver in each coin is 0.85 ounce. How many ounces of real silver does mr. lopez have in his coin collection

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?