If tan(θ) = 5/12 and 0°<θ<90°, what is cot(θ)?

12/5

When did the United States emerge as an industrial power in the World?

The United States emerged as an industrial power in the World after the Civil War, also known as the Guilded Age. The culmination of the powers of the North and the South resulted in superior manufacturing, propelling the United States to the top.

Please solve the following equation: 4 = 4x + 8

-4x = 4 -x = 1 x = -1