Sup nerds. Do this for me or I'm gonna get screamed at by my mom also show all the work

Find the solution of each of the following.

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?