a grocery store is selling pepsi in 6 packs and 8 packs. a six pack of pepsi cost $6.99. an 8 pack of pepsi cost $8.10. which is the better buy? (explain ur answer)

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)