Six billion three hundred ninety-two million ninety-four thousand and three
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Answer:
8190 ways
Step-by-step explanation:
Given


Selection


Required
Number of ways of selection
4 students can be selected from 15 students in:

Similarly.
5 teachers can be selected from 6 teachers in:

So, the required number of selection is:

Apply combination formula:







Answer:
1.50
Step-by-step explanation:
14 + 8(12-34)
14 + 8(-22)
14 - 176
- 162 is your answer
hope this helps