which systems have infinite solution? check all that apply A. y = 0.5x + 2.75 and 2y = x + 2.75 B. y = 0.5x + 2.75 and y - 0.5x = 2.75 C. y = 0.5x + 2.75 and 0.5x + y = 2.75 D. y = 0.5x + 2.75 and y = 0.5(x + 5.5) E. y = 0.5x + 2.75 and y = -2(-0.25x) + 2.75