In the United States, interest payments on the federal debt were about ________ of total federal expenditures in 2011, and therefore large tax increases or significant cutbacks in other types of federal spending are generally considered ________ for

The Rule of 70 states that the level of a variable will double in

A) 70 years. B) the number of years equal to the variable's annual rate of growth divided by 70. C) the number of years equal to 70 divided by the variable's annual growth rate. D) the number of years equal to the variable's annual growth rate minus 70. E) the number of years equal to 70 multiplied by the variable's annual growth rate expressed as a decimal.

Refer to Figure 5-13. The market equilibrium price of gasoline is ________ per gallon

A) $3.00 B) $3.75 C) $4.25 D) $5.00