Match the following.
1. connected Charleston and Hamburg
railroad transportation
2. connected Albany and Schenectady
Erie Canal
3. Tom Thumb
Mohawk and Hudson Railroad
4. caused a decline in canal building
Baltimore and Ohio Railroad
5. made New York City a leading port
Portage Railroad
South Carolina Railroad
6. connected Philadelphia and Pittsburgh
7. completed in 1834
Pennsylvania Canals

substitute y = 2x - 4 to x + 2y = 12:

x + 2(2x - 4) = 12     use distributive property

x + (2)(2x) + () = 12

x + 4x - 8 = 12     add 8 to both sides

5x = 20     divide both sides by 5

x = 4

put the value of x to the first equation:

y = 2(4) - 4

y = 8 - 4

y = 4

chapter i -- paris: september, 1792

a surging, seething, murmuring crowd of beings that are human only in name, for to the eye and ear they seem naught but savage creatures, animated by vile passions and by the lust of vengeance and of hate.

during the greater part of the day the guillotine had been kept busy at its ghastly work: all that france had boasted of in the past centuries, of ancient names, and blue blood, had paid toll to her desire for liberty and for fraternity.

hope this answer you: )!

i believe the answer is inference