The pumpkin patch is open everyday. if it sells 2,750 pounds of pumpkin each day ,about how many pounds does it sell in 7 days?

Pls! does anybody know a shortcut for answering these types of questions in the future?

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap