List three type of activities that was done in any three era/civilization.(expect pre-historicmen)

What is the area of the trapezoid shown ?

In a low-income household in the developed world, more than 30% of a woman's income typically goes toward a. transportation costs b. child care c. clothing and incidentals d. the repayment of educational loans

Who were the main leaders of the major powers (france, england, and great britain) during the treaty of versailles?