Rachel saved the money from her summer job. In August her savings account had $1,250. Each month she must pay her cell phone bill of $65. After how many months will Rachel have less than $800 in her account? Please help, Thanks if you do answer this! :)

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.

Determine which postulate or theorem can be used to prove that lmn =nmo

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955