The mean of a set of twelve numbers is 5.5. the mean of another set of eight numbers is k. the mean of the combined set of twenty numbers is 8.5. find the value of k.

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Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest