Vanessa draws one side of equilateral △ABC on the coordinate plane at points A(-2, 1) and B(4, 1). What are the possible coordinates of vertex C? Select all that apply.
a. (-4.2, 6.2)
b. (1, -4.2)
c. (6.2, 4.2)
d. (1, 4.2)
e. (1, 6.2)