List the excluded values of the rational equation. Type a numerical answer in the space provided. Do not include spaces in your answer. If there is more than one excluded value, separate them with a comma. For example, if the excluded values are 10, 12 and , type 0,3 . 1a+1/2a=1/a-3

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Through non-collinear points there is exactly one plane.

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.