☞ANSWER
1. 105
- THE SOLUTION IS IN THE PIC
2. 18
- [tex] \frac{4 \times 3 \times 2 \times 1}{1 \times 2} = 6 \: ways[/tex]
- [tex] \frac{3 \times 2 \times 1}{1 \times 2} = 3 \: ways[/tex]
- 6 x 3= 18 ways
3. 84
Step-by-step explanation:
Hope you understand
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