What are the two zeros of the quadratic function defined by the expression 9x2 - 4?

Which statements are true? see picture

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 missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?