Paul sellers was paid a biweekly salary of 1230. now he’s paid on a semimonthly basis. what will seller’s semimonthly salary be ?

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.

How are sas and sss used to show that two triangles are congruent?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?