Answer:
I believe #1 would be Lake Charles but at this moment I am unsure of what the #2 would be. Hope it helps a little!
Explanation:
The Mississippi, Missouri, Tennessee, and the Ohio River
The quartz is more resistant to abrasion and chemically more resistant than the feldspar. The result is that the quartz remains in the stream but the feldspar breaks down to clay or is dissolved.
(this is from coursehero.com)
5x-2=8 add 2 to both sides 5x=10 divide both sides by 5 x=2