You buy items costing $650 and finance the cost with a fixed installment loan for 18 months at 7% simple interest per year. a) What is the finance charge?

b) What is your monthly payment?

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.

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.

Find the domain and range of the following function f(x) = 51x - 21+ 4