You receive the bill for a meal at a restaurant. The total, including a discretionary 10% service charge, comes to £61.60. You feel that the service you received was poor, and you ask for the service charge to be removed from the bill. How much will the bill be without the service charge? £

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Use the irregular polygon below. show all work. a. find the perimeter. b. find the area. the angles of the irregular polygon is 2, 8, 8, and 4.

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