Identify the dependent and independent variables on each given pair of variables. Write X if the variable is independent, and Y if it is dependent. Thank you

B. Identify the dependent and independent variables on each given pair of variables. Write X on the blank if the variable id independent, and Y if it is dependent. 21-22. Studying time and Grade of student 23-24. Temperature in oven and Baking time of bread 25-26. No. of teachers and No. of students in a school 27-28. Meat consumption and Blood pressure of a person 29-30. Work performance and Stress of person