Can someone teach me about this ? And give me the answer to this questions please

Which expression is equivalent to sq-80

What could explain what happened when the time was equal to 120 minutes

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