A school has a hurdle track that is 1/5 of mile long . They are considering extending the track to be 1/4 of a mile long

Ineed with number 17 i don’t get it at alll

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?

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130