Determine the length and midpoint of the segment whose endpoints are (–15, 9) and (–4, 11).

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

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?

Find the domain and range of the following function f(x) = 51x - 21+ 4