Answer:
Step-by-step explanation:
B
Answer:is it adding or multiplying because these steps could be either or
Step-by-step explanation:
Let's begin by listing out the information given to us:
There are four students: n = 4
Number of students to be selected: r = 2
To calculate the combination of 2 students to be chosen, we use:

Therefore, there 12 possible combinations from these
Answer:
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