Please help me with this math I need this done badly since I need good credit anyone who can do this with GOOD credit please help.

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?

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary