A factor would be 1 they all have in common
You dont get duplicates in the set so although there are 2 red pens it only appears once in the set.
So the correct answer is D
Answer:
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See also
brainly.com/question/8975313The decay factor is 1/2.
The change is (1/2 -1)*100% = -50% per period. Negative indicates a decrease of 50% per period.
Answer:
12
Step-by-step explanation:
