The points (80,20) and (120,30) form a proportional relationship. what is the slope of the line that passes through these points

What two advances did europeans borrowed from china

Which economic sector employs the least number of people in mexico, barbados, and venezuela? a. agriculture b. services c. industry

After nine states had ratified the constitution by mid-1788, other states quickly followed. all thirteen states had to obey it. it became law in the united states. none of the states had to obey it.