Together, Tim and Allen worked 22 hours on a project. Allen worked one more than twice the amount of hours Tim worked. How many hours did each boy work?

Need on this geometry question. explain how you did it.

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.

The measure of angle 0 is 600 degrees