Plz help will brainlist if right

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

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?