What will be the power of 10 of the expression with the greatest value

Which expression shows the sum of the polynomials with like terms grouped together

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle