(b) Point M, a nodal point, is 7.0 m from 51 and more than 7.0 m from S2. lJilhat are three possible distances that M could be from SE? {an}, 19m, 12 m} (c) Point N, also a nodal point, is located 12.0 m from 51 and 5.0 m from 52. On what nodal line is N located? {4}