Question 20 (1 point} A committee of three is to be chosen from three Grade 10 students and four Grade 1'1 students. If one particular Grade 10 student must be selected, then the number of possible committees is Question 19 (1 point) How many arrangements of the letters of the word NOISE are possible if the vowels, E, I, and O, must be together but not necessarily in that order? O 6 12 O 18 36Question 18 (1 point} Nine boys and twelve girls have signed up for a trip. Only six students will be selected to go on the trip. Determine the prerlxabilityr that only boys will be en the trip. ()092% ()093% ()015% ()023% Question 17 (1 point} A new licence plate in Alberta consists of three letters followed by four numbers. Letters are chosen from a list of 24 acceptable letters that mayr be repeated. Liam wants the first letter on her licence plate to be an L, which is an acceptable letter, and he also wants the four numbers to match the last four digits of his cell phone number. The number of licence plates that will meet Liam's criteria is O 13 324 Question 16 (1 point) CREDIT CARD 1234 5678 9876 5432 A credit card company randomly generates temporary three-digit pass codes for cardholders. The pass code will consist of three different even digits. Determine the total number of pass codes using three different even digits. (Assume that O is an even number). O 5 PI O 5 P3 O5 PA O5 P5Question 15 (1 point} Ten friends on bicycles find an empty bike rack with exactly ten spots for bikes. How many ways can the ten bikes be parked so that Elsa and Rashid are at either end of the bike rack? O 1} so 640 O 2} 161 230 O 3} ?25 760 O 4) 1 451 520 Question 14 (1 point) Identify the expression that is equivalent to n(n - 2)! (1) n! n-2 ( 2) n! n-1 ( 3) 12 ( 4) n!Question 13 (1 point) Suppose that 10 teachers and 8 students volunteered to be on an environmental action committee. The committee must consist of 2 teachers and 2 students. How many different environmental action committees does the principal have to choose from? 1) 72 ( 2) 80 ( 3) 1260 ( 4) 5040Question 12 (1 point) Eight quarters are flipped simultaneously. How many ways can three coins land heads and five coins land tails? ( 1) 8P5 X 8P3 ( 2) 8P5 X 3P3 ( 3) 8 ( 3 * 865 4) :C3 X 505Question 11 (1 point} If the letters of each word are arranged, which 1Inward can be arranged in 2520 different ways? 0 1) CHEMISTRY O 2) FRENCH O 3) ALGEBRA O 4) ENGLISH