How do i evaluate (5+-30×)-2 (-30-4)-30+23

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?

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree