15 Which survey question contains bias? A Would you use a public swimming pool if one was built? B Would you vote for building a skateboard park in town? c Would you agree to pay higher municipal taxes? D Would you try a new flavour of ice cream?

To earn an A in a course, a boy must have a final average of at least 84%. On the first four examinations, he has grades of 81%, 87%, 77%, and 77%. If the final examination counts as two grades, what must he get on the final to earn an A in the course? Select the correct choice below and fill in the answer box to complete your choice. O A. To earn an A in the course, the boy must have at least % on the remaining final examination. O B. To earn an A in the course, the boy must have at most % on the remaining final examination. O C. To earn an A in the course, the boy must have less than % on the remaining final examination. D. To earn an A in the course, the boy must have greater than % on the remaining final examination.

Professor Tough's final examination has 20 true-false questions followed by 3 multiple-choice questions. In each of the multiple-choice questions, you must select the correct answer from a list of five. How many answer sheets are possible?

Please look at the screenshot, thanks.