Can you help me on question five?!

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

What is the least common factor of 6 and 8

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?