Write a quadratic equation whose solutions are 7i and -7i

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?

In a column proof the right column states your reasons

Find the distance between c and d on the number line c=3 and d=11