Can anyone help with these?

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

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