Which statements are correct about the correlation of data plotted on a scatterplot?

I. The order of variables in a correlation is important.
II. Correlations provide evidence of association, not causation.
III. The correlation coefficent (r) has no units and does not change when the units of x and/or y are changed.

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?