They are both not right angles. You can easily tell because you can't draw a square in the corner.
In order to drive 643 miles at 65 mph, I believe it would take 9.9 hours. (It is 9.8923 not rounded to the nearest tenth btw lol) I hope this is right! :)
The answer is A! The simplified equation would be 6x-6+8 and then it simplifies to 6x+2!
Yes, they would be considered one term.