What are three different complex fractions that simplify to 1/4

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

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.