Select the correct answer from each drop down menu, help please

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?