You sent the same email message to 10 of your friends. The numbers of hours it took them to reply were 1, 1, 1, 2, 2, 3, 4, 5, 5, and 25. a. Find the mean, median, and mode of the data. b. Which measure best represents the data? Explain your reasoning. c. Which data value is an outlier? Explain your answer. d. Predict how the mean, median, and mode would change if you omit the outlier in the data list.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

A. 15 degrees b. 45 degrees c. 30 degrees d. 60 degrees