Hello...how is everyones day going??

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

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review