Answer:
21
Step-by-step explanation:
He will guess correctly 25% of the time.
He has 84 questions
25% of 84
.25 * 84
21
We should expect that he will get 21 questions correct
81,85,89 are the missing numbers
I think you add the numbers together, and then divide by three
Answer:
A for the first and C for the second
Step-by-step explanation:
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