Itried to multiply the numbers that they were giving me but i got something really different then the calculator. really appreciated

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Me with this one question, and i'll upvote the brainliest answer

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?