In last nights baseball game there were four walks and 15 hits express the ratio of walks to hits written in three different ways

Which expression is equivalent to 2^4y^3

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white