Jenna has a bag that contains 7 red marbles and 25 blue marbles. she selects a marble at random, and then, without replacing the first one, selects another marble at random.

what is the probability that jenna selects a blue marble and then a red marble? round your answer to the nearest percent.

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.