An arc on a circle of radius 10 has an arc length of 49/9 . What is the degree measure of the corresponding central angle?

The volume of a cube is 8 in to the 3rd power. how long is each side?

Which equation represents the function on the graph?

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.