The abc ink company is a small family owned company that sells packages of ink cartridge refills for smartpens. the xavierset contains one blue ink refill and one black ink refill. the yvonneset includes two blue ink refills, three black ink refills, and one red ink refill. the zenaset includes four blue ink refills, five black ink refills, and one red ink refill. the company has sold most of its stock and has found that it has only 11 blue ink cartridge refills, 14 black ink cartridge refills, and 3red ink cartridge refills. how many of each set should the company package to sell in order to use all of the remaining ink cartridges so that there will be none left in inventory?

Which expression is equal to (f+g)(x)?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test