Please help it's due today. 62. Use a geometric formula to solve the problem. A square has an area of 81 meters. Find the side length. I know the answer but I don't know what a geometric formula is.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

What fraction is equivalent to 0.46464646··· a. 46⁄99 b. 46⁄999 c. 46⁄100 d. 23⁄50