Solve for the quartile 2. the exact value of the quartile 2 2,5,6,8,11,14,3,6,7,9,13

Miguel has (50x³ - 2x + 2) pesos in his wallet and he spent (20x³ - x² + 2) pesos in buying foods, how much money left in his pocket? ​

In a class of 40,the ratio of boys to girls is 3: 5.how many are girls how many are boys? ​

The numbers 1,2,3,4,5,7,8,12 and 36 have been written on a board.george and peter remove four numbers each.there is one number left .what is this number if the sum of the numbers george remove is 3 times greater than the sum of the number peter removed?