During track practice, Yi finished the 100-meter dash with times of 16.2 seconds, 16.6 seconds, and 15.6 seconds. She ran one more time before the end of track practice and finished in 15.6 seconds. What is the mean absolute deviation of Yi's times? A. 0.4 seconds
B. 0.53 seconds
C. 1.6 seconds
D. 0.2 seconds

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.

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?