It means you need some help (mostly used to tell someone they need mental help)
A.it includes letters and books gathered over 1200 years, and consists of two parts.
There was too many economic problems between the rulers so they split
D. accuracy and precision are two different words for the same thing.
The government attempted to end the Great Depression by creating several different programs to give people work. One of the most notable programs was the creation of TVA, which gave thousands of people jobs.
