One canned juice drink is 20%; another is 10% orange juice. how many liters of each should be mixed together in order to get 10 l that is 18% orange juice?

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

Solve 2x+y=3 x+y=5 in substitution method

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.