Pls sm1 help I been asking for help for hours and no answer plss help

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

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

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay