Answer:
The sum is 30.
Step-by-step explanation:

Answer:
2016 possible combinations
Step-by-step explanation:
7 x 6 x 4 x 4 x 3 = 2016
When finding available combinations, you just take all your numbers with the different options and multiply them :)
15 because 4 + 11 equals 15
Answer: 22%
Step-by-step explanation: 454- 353= 101
101/454= 22%
Answer:
(n-1)/2n
Step-by-step explanation:
½(1 - 1/n)
(n-1)/2n