Work out the area of a triangle with a base of 6 cm and a height of 8cm

Which of the following does not describe europe after that fall of the western roman empireh

According to the lecture, which types of english vocabulary contributions are most often descended from latin?

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.