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?

The Moore family received 31 pieces of mail on April 27. The mail consisted of letters, bills, magazines, and ads. How many letters did they receive if they received three more bills than magazines, the same number of letters as magazines, and five more ads than bills? Keypad Answer Keyboard Shortcuts letters

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.

Nick's science test has a section with 12 multiple choice questions, with five choices A, B, C, D, and E. How many different ways can Nick answer these questions? show setup and solution

You baked seven cupcakes of different flavor. In how many ways can you give two cupcakes each to three of your friends and keep one for yourself?

a multiple-choice test has 12 questions, with each question having five choices. In how many different ways can a student answer the 12 questions? With an explanation, please.

The call letters for radio stations begin with K or W, followed by 3 additional letters. How many sets of call letters having 4 letters are possible?

Professor Hermann gives his class 12 potential test questions, he will then put 5 of the 12 questions on the real test. In how many ways can Professor Hermann make up the test?