Answer:
(A) 4
Step-by-step explanation: The mean is all the numbers added divided by the amount of numbers. so 2 + 3+ 6 + 5 = 16 then you add the 4 that is 20 then divide 20 by 5 and if the answer is 4 its correct. The answer is 4 so its correct.
1/12 since there is only 2 the probability is 1/12
Elimination is used when there is a common factor between the two equations. Substitution is used in cases where finding a common term just isn’t possible, or too complicated.
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