Systems of equations. can someone out . can u show the work too

What was the purpose of the farewell address

Put the following events in the correct chronological order: i. new state constitutions are formed. ii. declaration of independence is signed. iii. second continental congress writes the articles of confederation. iv. special conventions are convened to produce fundamental laws for the states. a. ii, iii, iv, i b. ii, iv, i, iii c. ii, i, iv, iii d. ii, i, iii, iv

In 1819, what did the united states obtain from spain for $5 million?