Please help me! And answer right, I will give you brainliest and I’m really struggling (just do the top questions)

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

In the geometric progression –3, 12, −48… what term is 3,072?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?