If f(x)= 7x-3 and g(x)= x^2, what is (g0f)(1

Somebody save the ! what was greek math and science also medicine

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.

Which statement best explains how the invention of corporations contributed to the economy in the 1800's