Why do people emigrate from central america to the united states?

a. political instability.

b. lack of economic opportunities.

c. natural disasters.

d. all of the above.

Distance that the transcontinental railroad covered from omaha to san francisco.

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

What must happen for new french words to be published in official dictionaries? a. they must be approved by the french academy b. they must be voted on by the people of france c. they must be used by famous french writers d. they must be used by philosophers a. they must be approved by the french academy