Math is my worst subject so I was wondering if I could get some help

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

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.