Kylah has a square blanket that has an area of 1600 square inches. what is the length of one side of kylah's blanket

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?

Factor the polynomial by its greatest common monomial factor.

When solving a logarithm equation, how do you find the missing variable ?