What is the area?? pls help

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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