Of the last 10 trains to arrive at Pennsylvania Station, 5 were on time. What is the experimental probability that the next train to arrive will be on time? 1/8, 1/6, 1/4, 1/2

The triangles are similar. what is the value of x? x=

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?

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?