Anyone play Genshin impact on American server ?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

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

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8