U.S manufacturing exports have declined since the 1990s

As the number of days without rain increases, the amount of wheat per acre grown declines. A graph showing this relationship would have a curve

A) that is a horizontal line. B) that is a vertical line. C) showing a positive relationshi

Which of the following describes a situation in which demand must be inelastic?

a. The price of vitamins rises by 10 cents, and quantity of vitamins demanded falls by 50. b. The price of vitamins rises by 10 cents, and total revenue rises. c. A 20 percent increase in the price of vitamins leads to a 20 percent decrease in the quantity of vitamins demanded. d. Total revenue does not change when the price of vitamins rises. e. Total revenue decreases when the price of vitamins rises.