Which of the options below would be the focus of microeconomics? A. the psychological effects of unemployment on workers.
B. decisions which effect the economy of an entire nation.
C. individual decisions under scarcity for a single corporation.

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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 statements would be sufficient to prove that parallelograms pqrs is a rectangle ?