Answer: 14) B 15) A 18) D
Explanation:
14) 6 colors × 2 styles = 12 choices
15) 1st digit and 2nd digit and 3rd digit
6 #s × 5 remaining #s × 4 remaining #s = 120
18) There are 26 - 2 = 24 letters and 7 numbers to choose from.
24 × (24 -1) × (24-2) × 7 × (7-1) × (7-2) = 2,550,240