[URGENT] 2007 was the first year that Americans sent and received more text messages per month than phone calls. Providers were offering monthly plans of $20 for 1,000 text messages, sent or received. What was the cost per text message, sent or received?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

The reflexive property of congruence lets you say that ∠pqr ≅

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.