Ibought 4 pairs of jeans. my total bill including tax was 80.29. if each pair of jeans cost 18.50 before tax was added, what tax rate did i pay on the jeans

Find the slope of a line given the following two points

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

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?