Two families go skiing on a saturday. one family purchases three adult lift tickets and four lift tickets for $188. another family purchases four adult lift tickets and five youth lift tickets for $244. let x represent the cost in dollars of one adult lift ticket and let y represent the cost in dollars of one youth lift ticket. solve the linear system to find the cost of one adult and one youth lift ticket.

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