2) Calculate the surface
area of the cylinder:
5 cm
2cm
Help please

What was true about sharecropping? a. landowner provided free tools and seeds.b. workers could leave the land if they failed to make money.c. landowners often took advantage of workers.d. workers received ownership of the land they farmed after a set number of years.

World war i brought increased immigration to the united states from which country? germany france italy mexico

When conducting research for forming a hypothesis, which practice should historians follow?