Answer:
12 ≤ a < 18 B is the letter
Step-by-step explanation:
i took the test
Answer:
D
Step-by-step explanation:
999+100
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Answer:
13800
Step-by-step explanation:
The order of the members is important (because each selected member will receive a different position), thus we then need to use the definition of permutation.
There are 25 members, of which 3 are selected.

Evaluate the definition of a combination:
