Beth's summer vacation lasted 85 days. At the beginning of her vacation, she spent some time at soccer camp, 2 days at her grandmother's house, and 12 days visiting Glacier National Park with her parents. She then had 43 vacation days remaining. How many weeks did Beth spend at soccer camp?

Nikolas calculated the volume of the prism. his work is shown below.

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.

Equation for the calculation double 2 and then add 5