What is the measure of <4 and why

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

What is the quotient of -3/8and-1/3?

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?