How do you write the number seven hundred thirty one million nine hundred thirty four thousand thirty?

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?

Which shows the pre image of triangle xyz

Hi my sisters and brothers can tell me the answer because i don’t understand the question