HELP PLEASE! Given: j and l are nonzero rational numbers.
K and m are irrational numbers.

Which statement is always true?

A. The result of j + l is a rational number because the sum of any two rational numbers is rational

B. The result of k + m is a rational number because the sum of any two irrational numbers is rational

C. The result of j + l is an rational number because the son of any two rational numbers is irrational

D. The result of k + m is an irrational Number because the sum of any two irrational numbers is irrational

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