6=4x+9y find the y in the equation. plz show steps

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

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?

Three coins are flipped. what is the probability that there will be at least two tails?