What are the solutions to the following system of equations? Select the correct answer below.
y = x2 − 2x + 4
8x + y = 20
a (2, 84) and (−8, 4)
b(−8, 2) and (84, 4)
c(2, 4) and (−8, 84)
d(4, −8) and (84, 2)