13. The driver-rating factor is 3.10. Age, rating group is C, 14. Coverage: 50/100 bodily injury, $50,000 property damage, $50-deductible for comprehensive, and $50-deductible for collision. What is the annual
base premium? What is the annual premium? (4 points) Use Figure 9.3 on page 324.

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.