Can someone explain because my teacher has no time to teach me this and could use on the first three

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?

Find the quotient with the restriction.

The measure of angle 0 is 600 degrees