Will give Brainiest if you are right

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

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided