Identify a3 of a sequence: 0.25, 0.5, 0.75, 1, 1.25, 1.5,.
a3=

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis