QUESTION 8 A breakfast special consists of choosing one item from each category in the following menu: Juice: apple, orange, grapefruit Toast: white, wheat Eggs: scrambled, fried, poached Beverage: coffee, tea, milk How many different breakfast specials are possible? OA'96 OB-54 OCH 0 D48 QUESTION 9 A combination lock that has 60 numbers on the dial works by rst turning it to the right, then to the left, and then to the right, with 3 different selected numbers needed to open the lock. The selection of these numbers is an example of: O A' neither a permutation nor a combination 0 3' both a permutation and a combination 0 c'a combination 0 Da permutation QUESTION 10 A hardware store stocks eight types of pipes, one of which is stainless steel (55). Assuming there are at least 20 pipes of each type, how many ways can a total inventory of 20 pipes be distributed among the eight different types if the inventory must include at least four SS? QUESTION 11 In the expansion of (20 - 3b)6 , determine the coefficient of the term containing a4b2 . O 2880 O 4320 O 864 O 2160 QUESTION 12 Put the following functions in order of increasing growth rates (from slowest to fastest) as x gets very large QUESTION 13 How many Facebook friends would you need to ensure two of them have last names that start with the same letter? :J