What is the answer to this.

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv