Pllsss help For which equations is x = 9 a possible solution? Check all that apply.
O |x|=9
O - |x|= 9
O -|-x| = 9
O -|-x| = -9
O |x| = -9
O|-x| = 9
O |x |= -9

What is sin 7x/4 ? i need on this urgent trig

What term makes it inconsistent y=2x - 4

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?