Aman is now three times old as his sister. four years ago the man was five times as old as his sister. find their present age

What does independent variable and dependent variable mean in math?

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places