In 2008 verizon wireless charged $36 plus $0.03 per mintue for a cell phone plan. AT&T charged 0.06 per mintue. write and solve an eqaution to calculate the number of mintues for which cost of both companies will be equal

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Which of the following statement about pascal's triangle are true?

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.