The right answers are:
Few opportunities for employment: Even the last one hundred years, feminist movements have fought for getting better the women´s work conditions, we can see nowadays some areas which workforce population is higher in men than women.
Lower wages than men: This phenomena is more common to see in companies located in ways of development countries where women rights have entered in function slower than more developed ones.
Few female supervisors: It could be the consequence of the unequal access to professional formation, which have seen more favorable in men but women.