Thank you for all the help this is the last one

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

d is the only accurate one

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road

it is c!

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya