Every year, hannah sells blueberry and strawberry jam at the local farmers market. hannah charges four dollars per jar of blueberry jam and six dollars per jar of strawberry jam. part a write an expression to represent the cost to buy any amount of blueberry jam and strawberry jam. part b evaluate the expression for a purchase of three jars of blueberry jam in five jars of strawberry jam.

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