there are 60 students at a college..20 students study both French and Spanish, a total of 43 students study Spanishcomplete the Venn diagram for this information​

Me i've asked this question 3 time asapright triangle abc and its image, triangle a'b'c' are shown below. algebraically prove that a clockwise and counterclockwise rotation of 180o about the origin for triangle abc are equivalent rotations.