4 Which of the following statements best describes the solution to the problem
below?
3 3
6
The solution will be positive because both fractions are even.
B The solution will be negative because there are two negative signs.
The solution will be positive because there are two negative signs.
D The solution will be negative because there are two fractions.
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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.