Maria has already written Two-fifths of her 1,000 word essay. If she continues writing at the same pace of 6One-half words per minute, which expression shows the amount of time it will take her to write the rest of the essay? 1000 times two-fifths times StartFraction 13 Over 2 EndFraction 1000 times two-fifths divided by StartFraction 13 Over 2 EndFraction 1000 times three-fifths times StartFraction 13 Over 2 EndFraction 1000 times three-fifths divided by StartFraction 13 Over 2 EndFraction

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

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.