Cards marked with number 10 , 11 , 12,………..50 are placed in a box and mixed thoroughly. A card is drawn at random from the box. Find the

probability that the selected card bears a perfect square number.​

Which paris event introduced nineteenth-century musicians to the music of asia, the middle east, and africa? a. the 1848 world revolution b. the 1900 world's fair c. the 1880 international exhibition d. the 1889 world exhibition