Students from three grade levels were surveyed about their use of school buses. The results of the survey are shown in the table. Grade 10Grade 11Grade 12TotalUses School Buses34273394Does Not Use School Buses16231756Total505050150 QuestionChoose ,begin emphasis, all, end emphasis, of the statements that can be inferred from the data in the table.

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.