Find the mean, median, and mode of the set of data.
10, 11, 4, 7, 12, 11, 16, 6, 9, 15
The mean is

Use the graph to determine the range. which notations accurately represent the range? check all that apply. (–∞, 2) u (2, ∞) (–∞, –2) u (–2, ∞) {y|y ∈ r, y ≠ –2} {y|y ∈ r, y ≠ 2} y < 2 or y > 2 y < –2 or y > –2

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?