Set up the following addition using a vertical format and find the sum of the given polynomials. a - b + c, b - c + d, and c - d + e
a a + c + e
b a + 2b + 3c + 2d + e
c b + d + e
d a - c - e

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?