I will give you brainliest whoever answers correct first!!!

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

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers