Ken has a black watch, a silver watch, a gold watch, and a brown watch. he also has a brown belt, a black belt, and a braided leather belt. how many different combinations can ken make with his accessories?

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?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?