Suppose you planned on giving 15 gold stars to some of the 22 star students in your class. Each student can receive at most one star. How many ways can you do this? a. Use Pascal's triangle to find the numeric answer. 170544 a. Use the Principle of Inclusion and Exclusion. 24310 Note: You can earn partial credit on this nmhiam

Part b is the one I need help with

Below is the 11th row of Pascal’s triangle. Use Pascal’s identity to find the 12th row. 1 11 55 165 330 462 462 330 165 55 11 1

In cleaning out your old desk, you find a whole bunch of 3¢ and 7¢ stamps. Can you exactly 11¢ of postage? Can you make exactly 19¢ of postage? What is the largest am of postage you cannot make? eware of Patterns! 9 ST M Find the largest eight-digit number made up of the digits 1, 1, 2, 2, 3, 3, 4, and 4 sucl the 1's are separated by one digit, the 2's are separated by two digits, the 3's by three digits, and the 4's by four digits. Book Pro Problem 15 JA Problem 16 17 & Next: Careful Use of L