1. The farmers in Ravin's town complained about the lack of rain during the growing
season. Ravin did some research to find out
how much rain typically falls during the
growing season compared to the amount of
rain during this growing season. She
learned that it had rained 7 inches less than
normal this season. Write an expression
that represents the amount of rain this
growing season.
n-7

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.

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.