(answer + ! ) oil and gas production in a certain area dropped from 4 million barrels in 2000 to 1.9 million barrels in 2013. assuming that the oil and gas production decreased at a constant rate, which of the following linear functions f best models the production, in millions of barrels, t years after the year 2000? a. f(t) = 21/130t + 4 b. f(t) = 19/130t + 4 c. f(t) = -21/130t + 4 d. f(t) = -19/130t + 4

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.