In the era when people used film cameras, an increase in the price of cameras resulted in a decrease in the demand for film. In this example, cameras and film are BEST described as which of the following? A. neutral goods
B. complements
C. substitutes
D. trade-offs

When analyzing the election of 1876, what conclusion can be drawn? a.a majority of northerners wanted to enforce reconstruction policies more stringently.b.if tilden had won the electoral votes from louisiana, florida, or south carolina, he would have been elected president.c.the republican party had increased its support in the south.d.rutherford hayes did poorly in the western states.e.the republican party did a good job protecting the voting rights of african-americans in mississippi.

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

What are the most populous and least areas of russia and why are some areas more heavily populated than others