In 2019, Kroger sold 100 packages of toilet paper per day. In 2020, Kroger sales 600 packages of toilet paper per day. What is the percent of change of the number of packages sold per day?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

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?

The product of sin 30 degrees and sin 60 degrees is same as the product of