Jason worked to earn $298.45 and William worked to earn $190.00. If the both earn $6.35 per hour, how many hours did Jason work?

Draw a scaled copy of the circle using a scale factor of 2

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

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.