Hi there can anyone me out with this because i'm really struggling with this

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

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

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?